Last week, Ralph’s gerbil drank 20 mL of water. This week he drank 16 mL of water. By what percent did the gerbil's intake of water decrease?

Which compound inequality can be used to solve the inequality 3x+2 > 7? -7 < 3x+2> 7 -7> 3x+27 3x + 2 > -7 or 3x + 2 > 7 3x + 2 < -7 or 3x + 2 > 7

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

The function v(r)=4/3pir^3 can be used to find the volume of air inside a basketball given its radius. what does v(r) represent