Using the ratio of perfect squares method, what is square root of 89 rounded to the nearest hundredth? use the ratio of perfect squares method.

Mama mia restaurant used 1 2 2 1 ? of their mozzarella cheese making pizza and the remaining 6 4 64 ounces making pasta. how many pounds of mozzarella cheese did mama mia start with?

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

50 points~ ! i have to turn this in tomarrow