Solve the equation

3a=a+4
with explaining plz ​

Describe the domain and range of y=2(3)^x-2+5

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3