9x9x9x9x9x9x9 = 9^7
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Answer:
2
Step-by-step explanation:
Answer:
Use
3. 13.9 km
4. 40 in
Step-by-step explanation:
Use Pythagorean theorem to solve side lengths!
3.
4.
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19n-57=76
You must get "n" by itself
19n-57+57=76+57 (add 57 to each side)
19n=133
Divide 133 by 19
133÷19=7
n=7