The ratio of blue to red marbles to red marbles in a bag is 11:9. If there are 99 blue marbles in a bag, how many red marbles are there?

This month salespersons a made 11% of $67,530. salesperson b made 8% of $85,740. who made more commission this month? how much did that salesperson make?

What is (3/10 being a fraction) 5 3/10 - 7.8

How do I simplify 4 (10) + 3 (x-6)

0.45/4.2=p/14 solve each proportion what is p

An overdraft is a check that cannot be covered by funds in the account. True False

Find the answer to this equation x + 28 = 52

Joel made egg sandwiches and tuna sandwiches in the ratio 2:3. He then made 15 more tuna sandwiches and the ratio changed to 1:3. How many sandwiches did Joel make in all show your work and explain how u found your answer.

Timmy has x bushels of apples, he sells 10 bushels and then gets a shipment of 4y bushels of apples. Which expression represents the number of bushels Timmy now has?

Chad drove 168 miles in 3 hours and has 280 more miles to go. How fast (in miles per hour) did he drive the first 3 hours? Explain how you got your answer.

Verify the identity. Show your work. (1 + tan2u) (1 - sin2u) = 1