Jack is 4 times as old as Lacy. 4 years ago the sum of their ages was 52. How old are they now

The ratio of girls to boys in a chess club was 3:3. There were 24 boys. How many girls were there in the club?

Kate wants to buy a new bike from a sporting good store. The bike she wants normally sells for $360.00. The store has a sale where all bicycles cost 5.6 of the regular price. What is the sale price of the bike

An African cheeta can run at speed up to 120 kilometers per hour. What is this speed in feet per second

Relatively prime numbers to 54

Solve the equation by finding square roots. 4x^2 = 36

Find the solution to the system of equations. -2x+2y=-4 3x+3y=-18

What is the area of 10 3/4 • 12 1/2?

A rectangular sofa cushion is 36 inches by 30 inches by 20 inches. How many cushions can be covered with 38400 square inches of material?

How do you determine if a given set of measurements works for the side lengths of a triangle? (It should be a number)

If cosx = sin20, find the value of x, 0 Solve for x correct to the nearest minute given sin^2 x-3sin xcosx+2cos^2 x=0, where 0≤x≤180