We have 3 more months of school left and all Ik is tiktoks I need help

I'll give you brianlist and extra point if you help me this one!Choose an invention you think changed the world. Write a paragraph describing it (pretend I don't know what it is). Write a slogan for the device. Then create an advertisement to sell the item. In the triangle xyz, zv is both the median and the altitude, if xy=9x+12 and xz=11x+2 and yz=4x+20 find the perimeter if x = 7, then 7 = x is an example of which property If p = 15, what is p 5 - 2? How to solve the equation: -2(-3x-4)=14 mg+o2 balanced eaquation hi please help and thanks fe Sci 7-2What is the function of the nervous system? What is thebasic unit of the nervous system? You are choosing the color scheme for a Web page. Which color is considered the color of extremes and is used to capture attention, and to indicate danger and anger?A: green B: red C: yellowD: purpleplease answer this im trying to finish a test Simplify 5g + h - 3h + 2g HELP PLEASE ASAPPPP!!!!! DUE IN 10 MINUTES!!! no enter answer esta clase hoy. What goes right there where the enter answer is because i dont know polycondensation reaction takes place between 1.2 moles of a dicarboxylic acid, 0.4 moles of glycerol (a triol) and 0.6 moles of ethylene glycol (a diol). A.Calculate the critical extents of reaction for gelation using (i) the statistical theory of Flory and (ii) the Carothers theory.B.Comment on the observation that the measured value of the critical extent of reaction is 0.866. which ones right Ill give brainliest Which of the following best describe gas particles? SELECT ALL THAT APPLYA.) moving randomlyB.) collide with each other C.) move slowD.) High kinetic energyE.) moving orderly What is a function of the respiratory system?A. to provide the body with nutrients, which reacts with food to produce energyB. to provide the body with oxygen, which reacts with food to produce energyC. to provide the body with carbon dioxide which reacts with food to produce energyD. to provide the cells with water, which is used as a source of energy Simplify: -5(3c-9) 9c 7c2 +5 Whats the answer? Write a percent proportion where the part and the whole are known. Solve the problem to find the percent.Show your work, and explain. Which inequality correctly orders the numbers -5,-3, and 2 from greatest to least? Questions: 1. (2:12 - 2:45) What were the three main reasons for American expansionism? 2. (3:38) Anti-Imperialists opposed expansionism. What did they believe about a democracy? 3. (6:20) After being forced to open trade with the United States, what improvements did Japan make? 4. (7:20) In which two Alaskan resources was William Seward interested?5. (8:50) Why did missionaries first go to Hawaii? 6. (13:38) What is the term for printing sensational stories in newspapers in order to sell more copies? 7. (22:11) Summarize the Open Door Policy. Which country was the only country to disagree with the Open Door Policy? 8. (26:15) What was the purpose of the Panama Canal?