Which equations show a direct variation between x and y when solved for y?
choose all answers that are correct.
a.3/4y=6x
b. y=2/5x-2/5
c. y=27x
d.2y=x

4. find the geometric mean of 4 and 12. 24 8

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.

Which angle has the same measure as the dehedral angle formed by the orange face and the purple rectangle