The length of a rectangle is nine inches less than twice the width. If the perimeter of the rectangle is 84 inches, find the dimension of the rectangle

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.

Find the area of the triangle shown 3 by 6

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.