Answer:
x=161/10 =16.100
Step-by-step explanation:
Combine Like Terms
We keep the 2x^2 because we can only subtract something from that if it also is squared. From there, we subtract the 7x from 2x^2-11. Since there is no previous x's in the 2x^2-11, we just make it -7x. So, without even continuing the problem, we see that A) is the correct answer because it is the only one with -7x.
Answer:
c
Step-by-step explanation:
PI times radius squared
Product and times both mean multiply. Knowing this the expression is 8*3*11, or 264
A and D
should be the answers.