The answer is 18h^4 - 3h^2+5h
Answer:
Step-by-step explanation:
Use the midpoint formula: 
So, the Change In X is 2-8 = -6
And the Change in Y is 7-4 = 3
Once you divide both of the changes by 2, you get
X: -3
Y: 
So the midpoint is: 
Answer:
(1 , 27)
Step-by-step explanation:
The ordered pair (1 , 27) means:
x = 1
y = 27
Now putting value of x and y in given equation to check weather it satisfies:
y = 12x + 15.
27 = 12 (1) + 15
27 = 12 + 15
27 = 27
hence proved
I hope it will help you!
The answer is associative property