Out of the last 15 school days, Allie's math teacher has assigned homework 12 times and her science teacher has assigned homework 9 days. Based on this, what is the probability that All will have both math and science homework on any given school days?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Which rational number could be graphed between -4 and -5

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)