Which of the following is an example of a device that uses a wheel and axle?
Check all that apply
A. frisbee
B. light bulb
C. doorknob
D. bicycle
(multiple answers)​

Teaching descriptive statistics. A study compared five different methods for teaching descriptive statistics. The five methods were traditional lecture and discussion, programmed textbook instruction, programmed text with lectures, computer instruction, and computer instruction with lectures. 45 students were randomly assigned, 9 to each method. After completing the course, students took a 1-hour exam. a. What are the hypotheses for evaluating if the average test scores are different for the different teaching methods? b. What are the degrees of freedom associated with the F-test for evaluating these hypotheses? c. Suppose the p-value for this test is 0.0168. What is the conclusion? Witch air mass would produce warm dry weather in the summer i would reslly appreciate the help? Please answer this correctly What is 25 x 10^6 in standard form A new television set was recently purchased for the common room in a Residence Hall for $ 499.20 including tax. If the tax rate is 4 %, find the price of the television set before taxes. $______(Type an integer or a decimal rounded to two decimal places.) What is the volume of the rectangular prism below? (Don't forget tolabel your answer!) All math teachers are smart. Ms. Smith is your math teacher, so she is smart. What type of reasoning is this? inductive or deductive Bernice was waiting for a letter of support from Alice Delany, PhD, with the United Way Foundation in Fort Worth, Texas.Choose the best revision of the sentence above. a. Bernice was waiting for a letter of support from Alice Delany, PhD, with the United Way Foundation in Fort Worth, Texas. b. Bernice was waiting for a letter of support from Alice Delany, PhD with the United Way Foundation, in Fort Worth Texas. c. Bernice was waiting for a letter of support from Alice Delany PhD, with the United Way Foundation, in Fort Worth Texas. Ash and Misty are both travelling by train. Ash's train travels 80 km in 50 minutes. Misty's train travels 160 km. It leaves at 12:35 and arrives at 15.05. Work out the difference, in km/h, between the average speed of their trains. What is one reason that people want to minimize costs?O A. Costs always involve spending money.OB. Costs are often bad things that people don't want to accept.O C. Costs always have to be paid before a benefit arrives.O D. Costs are calculated differently by everyone. What are TWO equivalent expressions for 2(3j+ 5 + 6j) Remember I need TWO equivalent expressions. Which pair of terms best describes a wooden table? biotic and nonliving biotic and living abiotic and nonliving abiotic and living please help and please show your work how many nickels equal $18.45? (show your work) The probability that Paul wins in a raffle is given by the expression p.Write down an expression for the probability that Paul does not win. Line A passes through the points (-8, 5) and (-5, 4). Line B passes through the points (0, 1) and (4, -1). Which of the following describes the relationship between line A an line B? .Lines A and B are parallel, because they have the same slope. Lines A and B are parallel, because they have opposite reciprocal slopes. .Lines A and B are perpendicular, because they have opposite reciprocal slopes.. Lines A and B intersect, because their slopes have no relationship. HELP AM BEING TIMED!!!!!!!!!! The reason for the dramatic decline in the number of measles cases from the 1960s to 2010 in the United States was because the vaccine 20 points!!!! match the justification to each statement in the solution of x + 12.7 =-25.2.