Simplify the following expressions: 1/b^2-ab - 1/ab-a^2

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool

Which equation represents h for right triangle abc