Ann is grouping 38 rocks. she can put them into groups of 10 rocks or as single rocks. what are the different ways ann can group the rocks?

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Big boi and travis scott are performing at the super bowl. travis scott is 62 years younger than twice big boi’s age. the sum of their ages is 70 years old. use b to represent big boi’s age. write and solve an equation.

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?