Aswimming pool 35 ft. long and 20 ft. wide is filled to an average depth of 5 ft. how many gallons of water does the pool contain if a cubic foot holds 7 gallons?

How do you use the additive inverse to evaluate an expression that uses subtraction in a full sentence

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

At noon a tank contained 10cm water. after several hours it contained 7cm of water. what is the percent decrease of water in the tank?