WHAT IS 5 TIMES 5 IN MATH

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

What is the distance from zero if a quadratic function has a line of symmetry at x=-3 and a zero at 4

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters