Simplify the following fraction by putting it in lowest terms or by performing the indicated operation.

((9-y^2)/(3-y))*((12y)/(9+3y))

What is the product of the radical expression. (7-2square root) (8+2 square root)

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Tickets to a science exposition cost $5.75 each for studentd and $7.00 for adults.how many students and adults went if the ticket charge was $42.75