For a birthday party, mrs. guilliano bought 11 spherical balloons, each with an inflated diameter of 1.5 ft.
what is the volume of helium needed to fill all 11 balloons?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Deepak plotted these points on the number line. point a: –0.3 point b: – 3 4 point c: – 11 4 point d: –0.7 which point did he plot incorrectly?

Find the solution of this system of equations -7x+y=-20 9x-3y=36