Help please.

(-4, 0) and (5/2, 0)

Step-by-step explanation:

if you graph the equation you can see where the curve intersects the x-axis or you can factor the equation into:  (2x - 5)(x + 4) = 0

set each factor equal to zero and solve:

2x - 5 = 0

2x = 5

x = 5/2

x + 4 = 0

x = -4

90% rotation

step-by-step explanation:

maybe - definition of supplementary angles. im not sure. sorry

step-by-step explanation: