An item is regularly priced at $20. Keiko bought it on sale for 15% off the regular price. How much did Keiko pay?

Describe how to model negative 3x + 7 equals 28 with algebra tiles

Solve for x 1. 3 (x - 3) < 2x - 11

Find the value of 5xy^2? if x=2 and y = 3.

12+3· (11-15) = what is the answer

A cardboard box is open at one end and is shaped like a square prism missing one of its square bases. the volume of the prism is 810 cubic inches and its height is 10 inches.

25% of = 15 what is in the blank?

Simplify the expression 8-4n+9n+7+10n

A vehicle is traveling at a rate of 65 miles per hour. how many feet per hour is this

In a certain lottery, three white balls are drawn (at random) from ten balls numbered from 1 to 10, and one red SuperBall is drawn (at random) from ten balls numbered from 11 to 20.

If you deposit $1000 in a savings account with an interest rate of r compounded annually, then the balance in the account after 3 years is given by the function B (c) = 1000 (1+r) ^3 where r is as a decimal.