Luis rode his bike after school for 48 min. for what part of an hour did he ride his bike. simplest form

What value of x is in the solution set of –5x – 15 > 10 + 20x?

The height of a triangle is 4 in. greater than twice its base. the area of the triangle is no more than 168 in.^2. which inequalitycan be used to find the possible lengths, x, of the base of the triangle?

What is the first step of an indirect proof of a number that is divisible by two