Answer:
Step-by-step explanation:
A = 28 cm^2 (4+24)
B = 34 cm^2 (40-6)
C = 96 cm^2 (150-54)
D = 40 cm^2 (1/2(8*5) + 1/2(8+5))
She didn't change the direction of the sign
When dividing both sides by a negative number in an inequality, you must change the sign.
120 gallons per minute
y=-x,A
When we input -5 in for x, we get 5
When we input 7 in for x, we get -7