Answer:
6x^3+11x^2-14x+12
Step-by-step explanation:
We just simply add like terms (terms with same power of x):

Like terms are in brackets now
So you just simplify now to give you:

Answer:
567
Step-by-step explanation:
It will become:
y = 7(3)^4
y = 7 * 81
y = 576
7/8 is equal to 0.875. Have a good day!
Answer:
surface area is i think 251.2
and the volume is 301.44
the surface area formula is A=2πrh+2πr²
and the volume formula is V=πr²h
hope it helps
Step-by-step explanation:
can I have brainliest if its right
I, II, and III are all correct.