Matti is five years older than twice his cousin addy age the sum of their ages is less than 35 let z represent andy which inequality represents andy possible age

Solve the equation -9p - 17 =10 a -3 b. 16 c. 18 d -16

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4