Select the appropriate determinant expression for
solving for y by cramer's rule in the system:
2x = 3y + 12
y = -5x + 63
123
is
al
15 63
un!
-2 12 |
-5 63
d. none of these
1-2 31
1-5 -9

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.

If $740 is invested at an interest rate of 11% per year and is compounded continuously, how much will the investment be worth in 7 years? use the continuous compound interest formula a = pert.

Astraight water slide is 175 feet above ground and is 200 feet long. what is the angle of depression to the bottom of the slide?