Oscar wanted to make a picture with 40 stars. each row he made had 5 stars. how many rows of stars did he make?

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?