What is the surface area of a sphere with a radius of 21 units

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

One side of a rectangle is 7 centimeters shorter than six times the other side. find the length of the longer side if we also know that the perimeter of the rectangle is 266 centimeters.

Suppose you can spend at most $12. create an inequality that represents this restraint. then find at least three ordered pair solutions representing the number of boxes of candy and combos you can buy