Greg and his sister maddie eaned a total of $60 for doing work around the neighborhood. 3 maddie's share was of this total amount. she wants to use all of her share to buy shirts that cost $7.50 each, tax included. how many shirts can maddie buy?

Which equation can be simplified to find the inverse of y = 2x2?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.