14. Ms. Smith has 30 students in her class: 20
are boys and 10 are girls. Mr. Jones also has 30
30 students in his class: 15 are boys and 15 are girls. One student is selected from each class to
be on the student council. What is the probability
that 2 boys are selected?

A. 1/6. B. 1/2. C. 1/3. D. 7/12

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

Achild has a box full of colored building blocks. she will choose one block without looking. the odds against choosing a blue block are 4/7. what is the probability of choosing a blue block? amanda is playing a role-playing game with her friends. she will roll dice to determine if her character unlocks a treasure chest. the probability of her character unlocking the treasure chest is 13/20. find the odds in favor of her character unlocking the treasure chest.

1. write a quadratic function, in standard form, that fits the set of points. solve it as a system of three equations (-4, 9), (0, -7), and (1, -1)