Answer: The correct answer is Choice C.
For this polynomial to be a perfect square, it would need to be:
(10x + 7)^2
This will ensure that the first terms and the last terms will be 100x^ and 49. However, if you use foil to multiply the factors, you will not get 150x for the center term. Choice C also states that 150x will not be the middle term.
Answer:

Step-by-step explanation:



I forget how to do this. I haven't done this in awhile.
1 ton equals 2000 pounds
so 3 tons equals 6000 pounds
Answer: 3 tons