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:
19
Step-by-step explanation:
sum means answer to an addition problem, so 41 - 22 = 19, so 22 + 19 = 41
C. <2 is the correct answer
Answer:
Step-by-step explanation:
Circumference = 2×pi×radius
6pi=2×pi×radius
6pi/pi=2radius
2radius=6
Since 2radius=diameter
Therefore diameter=6 units