One car has twice the mass of a second car, but only half as much kinetic energy. When both cars increase their speed by 5.5 m/sm/s , they then have the same kinetic energy. Part A What were the original speeds of the two cars?

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

What would the rule be for the reflection of y=-3

Simplify. 3(4+4x) (type your answer in with no spaces)