If using the method of completing the square to solve the quadratic equation x 2 − 10 x − 20 = 0 x 2 −10x−20=0, which number would have to be added to "complete the square"?

If g(x) = x+1/ x-2 and h (x) =4 - x , what is the value of ( g*h) (-3)?

If i have 20$ and i gave 5$ away how much i got

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?