Ms. bryson has decieded to cut the amount of problems she assigns for homework from 40 to 12. what is the percent of decrease?

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

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2