Paolo is solving the inequality 15+2x>31. To solve the inequality, he begins by solving the equation as shown.

Which number line represents the solution to the inequality?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.

Taber invested money in an account where interest is compounded every year. he made no withdrawals or deposits. the function a(t)=525(1+0.05)^t represent the amount of money in the account after t years. how much money did taber origanally invested?