major help please :)

which of these is an example of quantitative data a. Recording amount of chemicals used in an experiment and any temperature changes observedb.Listing the materials equipment and process is required for an experimentc. Recording color changes in other visible effects observed during an experiment Why does whitman in specimen days tell the reader that he was coming out of an opera when he heard the news of the war a: to show his comtempt of war b: to show irony between play and war c: to give his personal experience Five years ago you took out a 30-year mortgage with an APR of 6.5% for $200,000. If you were to refinance the mortgage today for 20 years at an APR of 4.25%, how much would your monthly payment change by? The blood platelet counts of a group of women have a bell-shaped distribution with a mean of 255.4 and a standard deviation of 63.9. (All units are 1000 cells/muL.) Using the empirical rule, find each approximate percentage below. a. What is the approximate percentage of women with platelet counts within 3 standard deviations of the mean, or between 63.7 and 447.1? b. What is the approximate percentage of women with platelet counts between 191.5 and 319.3? The following data summarizesyesterday's orders at Sizzlin' Skillets. 3Vegetable, 6 Chicken, 2 Pork, 2 Beef, 5Shrimp. Based on this data, what is areasonable estimate of the probabilitythat the next type of stir fry ordered isvegetable?A: 0.11B: 0.17C: 0.28D: 0.33 a painter paints the side of a house at a rate of 3 square feet per minute. if the dimensions of the side of the house are 15 feet by 18, how many minutes does it take the painter to finish the job? A cylindrical tank is required to contain a gage pressure 670 kPakPa . The tank is to be made of A516 grade 60 steel with a maximum allowable normal stress of 150 MPaMPa . If the inner diameter of the tank is 2 mm , what is the minimum thickness, tt, of the wall Which of the following choices is one of the four main sentences structures? A. Simple sentences B. Compound sentences C. Compound-complex sentences D. All of the choices are correct Anyone know this ? Please help Use the multiplication rule for independent event probabilities. Two friends are both pregnant, and find out they are each expecting twins! Let A be the event that one friend is pregnant with identical twins, and note that P(A) = 0.0045. Let B be the event that the other friend is pregnant with fraternal twins, and note that P(B)= 0.01. A and B are independent events. What is the probability that one friend is pregnant with identical twins, and one friend is pregnant with fraternal twins? Give your answer as a percent, rounded to four decimal places if necessary. Isaac applied the steps below to find the product of (4.2)(-5.4)..Step 1: (4.2)(-5.4) = (-5.4)(4.2)Step 2:= (-5.4)(4) + (-5.4)(0.2)Step 3:= (-21.6) + (-1.08)Step 4:=-22.68Which step shows where Isaac applied the distributive property?Step 10 0Step 2Step 3Step 4 Sam munches on some almonds. Identify the food group to which almonds belong. A. fruits B. dairy C. protein D. vegetables Can someone helpit's urgent. I will mark you the brainliest, I promise!!! In what ways are fats and steroids similar to each other, and in what ways are they different? a. Fats and steroids are both hydrophilic lipids, but fats help with metabolism while steroids provide insulation. b. Fats and steroids are both hydrophobic lipids, but fats serve as energy while steroids serve as hormones. c. Steroids contain a four-carbon ring while fats consist of glycerol and fatty acids, but both are proteins. d. Steroids help with transport while fats store energy, but both are proteins. x square + 4 x - 12 all over x squared - 2x Identify the following as combination, decomposition, replacement, or ion exchange reactions NaBr(aq) + Cl2(g) 2 NaCl(aq) + Br2(g) Which statement best describes Japans trading policies with Europe? A. Japan welcomes Christian missionaries B. European trade enriched the Japanese economy C. European thought influenced Japanese culture D. Japan was isolated from Europe Management at a home improvement store randomly selected 45 customers and observed their shopping habits. They recorded the number of items each of the customers purchased as well as the total time the customers spent in the store. Identify the types of variables recorded by the managers of the home improvement store. Rubium Micro Devices currently manufactures a subassembly for its main product. The costs per unit are as follows: Direct materials $54.00 Direct labor 35.00 Variable overhead 40.00 Fixed overhead 34.00 Total $163.00 Crayola Technologies Inc. has contacted Rubium with an offer to sell 6,000 of the subassemblies for $144.00 each. Rubium will eliminate $89,000 of fixed overhead if it accepts the proposal. Should Rubium make or buy the subassemblies? What is the difference between the two alternatives? What is the units digit of $7^7$ when expressed as an integer?