Answer:
4
Step-by-step explanation:
A•a^7 = a^8 (add the power (n=1+7=8))
Answer:
(ab-bc)²
Step-by-step explanation:
- ab(ab-bc)+bc(bc-ab) = ⇒ distribution
- (ab)² - ab*bc + (bc)² - ab*bc = ⇒ regrouping
- (ab)² - 2ab*bc + (bc)² = ⇒ applying (x-y)² = x² -2xy +y² formula
- (ab-bc)² ⇒ final result
Answer:
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Step-by-step explanation:
Answer: y=2.28x ; 20.52 feet in 9 minutes.
Step-by-step explanation:
X represents the minutes the snail travels, 2.28 represents traveling that many feet for every minute. Plug in the 9 (minutes) for x and multiply to get 20.52 feet.
