Find the interval of (b−a)/(1−ab) values, if 0≤a≤b≤1.

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?