Answer:

Step-by-step explanation:

First you collect like terms
Then you add
The answer to this question is -5+9=4
Can u be more expressive pls
Answer:

Step-by-step explanation:
Volume of a Rectangular Prism is :

For,


The Height of the rectangular prism is: 
Y - y₁ = m(x - x₁)
y - 5 = -8(x - 2)
y - 5 = -8(x) + 8(2)
y - 5 = -8x + 16
<u> + 5 + 5</u>
y = -8x + 21