30 is 12.5% of what number?

150 of 300 students at smith middle school are in band. of those only 10% play saxophone. next year enrollment is expected to reach 400 students. About how many of those students will play saxophone?

The hair on your scalp grows about 13 millimeters per month. how long would it take your hair to grow. 5 meters? note: round to the nearest month.

4 times the quotient of a number and 5

Is the sum of 425 and 390 less or greater than 800? How do you know?

What is the negative reciprocal of 3/5

Is (2, 5) a solution to this system of equations? x + 2y = 12 2x + 2y = 14 yes or no

Given the system of linear equations. Choose all of the options that could be used to solve the system using addition x + y = 7 2x + y= Multiply the first equation by - 1 and add the equations together.

A father is 60 years old and his son is half his age. how old was the boy when his father was four times his age?

Solve 24x+2y=48 for y

Let p: A triangle is acute. Let q: A triangle is equilateral. If q is true, which statements must be true? Select three options. p ∨ q p ∧ q p → q q → p q ↔ p