The perimeter of a rectangle is 90. One side of the rectangle is twice the length of the other. What is the length of the longer side?

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 is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.