Answer:
50 is the right answer
Step-by-step explanation:
please mark me as brainliest answer
Answer:
Hope this helps
Step-by-step explanation:

Step-by-step explanation:
This can be written as;

Perform factorization
9-a²=difference of squares formula
(3+a)(3-a)
4a²-4a-24
4(a²-a-6)
4(a²-3a+2a-6)
4(a(a-3)+2(a-3))
4((a+2)(a-3))
a²-6a+9
a²-3a-3a+9
a(a-3)-3(a-3)
(a-3)(a-3)
Rewrite the operation as;

cancel common to remain with;

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Factorization : brainly.com/question/11930808
Keywords : Operation
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Im not sure but I would seem that the first plan is much better due to the cost. I know this is not an answer but just saying and there just a $0.004 diference wich is practicly the same
Answer:17.78
Step-by-step explanation:
there are 2.54 centimeters in an inch. simply multiply 2.54 by 7 to get 17.78