A recent survey at a high school found that 3 out of 5 seniors played atleast one sport during high school.
Which of the following could represent that.

A: 160 Seniors out of 270
B: 130 Seniors out of 200
C: 140 Seniors out of 230
D: 150 Seniors out of 250

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?