12years ago Justin Timberlake put money into an account paying 6.5% interest compounded biannually. If the account has $18,000 now, how much money did Justin Timberlake deposit?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

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.