Francesca already has 7 plants in her backyard, and she can also grow 19 plants with every seed packet she uses. How many seed packets does Francesca need to have a total of 45 plants in her backyard?

How can you decide witch operations to use to slice a two step equation

What is the value of x in the following equation. -x ^3/2 = -27

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.