Carla earns an 8% commission as a salesperson. She's an old dish washer that cost $400. How much commission did Carla earn?

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?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.