Answer:
7(2a +7)
Step-by-step explanation:

Exponents can make the problem smaller and look less confusing. If you see a problem with 5*5*5*5*5*5*5*5 then you're going to eventually loose count and will have to keep repeating. But if you put 5 to the 8th power then you know right away just to multiply 5, (8) times,
Answer:
i thinks it's b
Step-by-step explanation:
I do not no tho
Answer:
(−2, 3), because both lines pass through this point
Step-by-step explanation:
The meaning of "solution to the system of equations" is that both lines intersect at the solution point. That is, they both pass through that point.
Answer:sorry this probably is t the most helpful but the closest i could get was 399 lbs. it’s is st$497.7 for one and $$497.8.
Step-by-step explanation: