Answer:
Answer: Third option is the right answer.
Step-by-step explanation:
First we the write the expression

Now teacher says that the product of these polynomials will result in the sum of 
Now the teacher ask if we put the value of a = 2x and b = 1 then what will be the expression look like.
![(2x+1)\left [ (2x)^{2}+(1^{2})-(2x)(1)\right ]](https://tex.z-dn.net/?f=%282x%2B1%29%5Cleft%20%5B%20%282x%29%5E%7B2%7D%2B%281%5E%7B2%7D%29-%282x%29%281%29%5Cright%20%5D)
=
So third option is looking like our expression.
Answer:
The answer is A.
Step-by-step explanation:
You have to multiply by converting the second fraction into upside down :





Answer:
78.5 inches
Step-by-step explanation:
The formula for the circumference of a circle is
.
So the circumference of this circle is
(in)
Answer:
p(x) = (5x - 1) (x + 4) (x - 2)