Sarah kicked a soccer ball into the air with an initial upward velocity of 48 feet per second. The height (h) in feet of the ball above the ground can be modeled by
h= -16t^2 + 48t, where t is the time in seconds after Sarah kicked the ball.

a. How long was the ball in the air before it returned to the ground?

b. Find the height of the ball after 2 seconds.

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Which statements about these triangles is true

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?