A rectangular piece of paper with length 30cm and width 12cm has two semicircles cut out of it. Find the area of the paper that remains. Use the value 3.14 for π, and do not round your answer.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.