Express as a trinomial.
(x + 4)(x - 1)

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Find the solution of this system of equations -7x+y=-20 9x-3y=36

To keep cylindrical tanks from tipping over, a designer is planning to enlarge the original area of the base by 50%. the new tank should have the same volume as the original. how should the designer change the height of the tank? a: make it 50% taller than the height of the original tank. b: make it 6623% taller than the height of the original tank c: make it 3313% shorter than the height of the original tank d: make it 50% shorter than the height of the original tank.