Mike and kim invest $18,000 in equipment to print yearbooks for schools. each yearbook costs $5 to print and sells for $30. how many yearbooks must they sell before their business breaks even?

Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?