Answer:
i think the answer is 50
Step-by-step explanation:
Answer:
5 and -6
Step-by-step explanation:
Answer:
1. 7^(x-y)
2. z^5x^y
Step-by-step explanation:
The applicable rule of exponents is ...
(a^b)/(a^c) = a^(b-c)
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1.

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2.

Answer:
21
Step-by-step explanation:
factors of 42: 1,42, 2,<u>21</u>, 3,14, 6,7
factors of 63: 1,63, 3,<u>21</u>, 7,9
WANR: 22%
WWCN: 41%
WCLM: 24%
WKOD: 13%
However is B. WWCN.