A circle with radius of 6cm sits inside a circle with a radius of 9cm. What is the area of the shaded region?

63 is 90% of what number in a number line

part of the population of 4,500 elk at a wildlife preserve is infected with a parasite a random sample of 50 elk shows that 8 of them are infected how many elk are likely to be infected

Selene's checking account balance was - $26, and then she withdrew $49 more. What is her checking account balance after the withdrawal?

A highly selective boarding school will only admit students who place at least 1.5 z-scores above the mean on a standardized test that has a mean of 110 and a standard deviation of 12.

V=pi r^2h solve for h

You are 55 feet tall and cast a 1010-foot shadow. a flagpole nearby casts a shadow that is 2828 feet. which equation can you use to solve for the height (h) h of the flagpole?

If pencils sell at 6 for 59 cents how many pencils can be bought for 2.95

Which expressions are x+x+x+2

100:10-9[46-5 (6) ] power 3

In ΔMNO, the measure of ∠O=90°, the measure of ∠M=39°, and MN = 5.3 feet. Find the length of NO to the nearest tenth of a foot.