Find the values of a and b such that x^2+8x-6=(x+a)^2-b

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation.

Keith runs 5 miles in 38 minutes. at the same rate, how many miles would he run in 57 minutes

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.