Mary ordered some boxes of holiday cards online. The cost of the cards is $4.50n + $2 where n is the number of boxes ordered and $2 is the shipping and handling charge. How much will Mary pay if she orders 5 boxes of holiday cards?

Which of the following transformations will always produce a congruent figure?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Ashley spent half of her lunch money on a turkey sandwich. then she spent two-thirds of the money she had left on a bottle of juice and the rest of the money on a cookie. if the cookie cost $.75, how much lunch money did ashley have to start with?