Maureen wants to buy a $198 camera. she had $30 and plans to save $12 each week. in how many weeks will she be able to buy the camera?

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Select the lengths in centimeters that would form a right triangle

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?