What is equivalent to 5a(1/5b-6)-4(a+2)+a(b+2)

Write an equation for the function that includes the points (2,100)and (3,100)

How many times larger is 6 × 10^12 than 2 × 10^7? a. 30,000 b. 3,000 c. 3,000,000 d. 300,000

The height above the ground (in feet) of a ball dropped from the top of a 30-foot-tall building after t seconds is given by the polynomial: ? 16t^2+30 what is the height of the ball after 1/2 second?