I think your posting problem your missing an x after 28.
Therefore your answer is
C. (2x+7)(2x+7)
To check use distributive
2x(2x)+2x(7)+7(2x)+7(7)
4x^2+14x+14x+49
4x^2+28x+49
Answer:1/2 divided by 10
Step-by-step explanation:
Answer:
19
35-17 = 18 if up one more floor then 19