6y^2-7y-3-2y^2+9y+7 (pretend that you're multiplying -1 to 2y^2-9y-7 which is why 9y and 7 are positive now).
Now you're able to simplify your problem, so...
6y^2-2y^2= 4y^2
-7y+9y= 2y
-3+7=4
4y^2+2y+4
Might want to check my math but that's how you do it.
Answer:
Cube 1: 3375 cubed inches, 1350 inches squared.
Cube 2: 512 cubed inches, 384 inches squared.
Step-by-step explanation:
Formula for Volume of a Cube:
(s - side length)
Formula for Surface Area of a Cube:
(s- side length)
<h3>For Cube 1:</h3>
The side length's 15 inches.
Find the volume:

The volume of cube one is 3375in³.
Find the surface area:

The surface area of cube 1 is 1350in².
<h3>For Cube 2:</h3>
The side length's 8 inches.
Find the volume:

The volume of cube two is 512in³.
Find the surface area:

The surface area of cube 2 is 384in².
<em>Brainilest Appreciated. </em>
Answer:
True
Step-by-step explanation:
~Is SAA side-angle-angle
Answer:
y=1.87x+3.66
Step-by-step explanation:
if you use a TI calculator, you can put the dots in a chart to figure this out.