A math class has a total of 31 students. The number of females is seven less than the number of meals. How many miles and how many females are in the class?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

What is the product? a-3/15a × 5/a-3

2and 3 are angles. complementary vertical congruent supplementary