Gabriela and her mother sell sweatshirts for $25 and tie dyed T-shirts for $10.50. They are positive more than 10 T-shirts and at least 2 sweatshirts will be sold this weekend. If they want to make at least $400, which system could be used to
determine the possible numbers of sweatshirts (s) and T-shirts (1) they would need to sell?

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.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250