How many pounds of type a coffee did he use?

If i have one apple and give you the apple, how many apples do i have?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

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?