What is the approximate area of the circle shown?
Use 3.14 to approximate pi. Round your answer to the nearest hundredth.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?

Mary and roberto bought identical backpacks at different stores. mary's backpack originally cost $65 and was discounted 25%. roberto's backpack originally cost $75 and was on sale for 30% off on the original price. which backpack was the better buy?

Write the expression 7x^3-28xy^2 as the product of 3 factors