Don't go by my answers pls
1 answer:
Answer:
19) (
)^2 = 
20) -
= -81
21)
= 16
Step-by-step explanation:
The only wrong ones are
19) (
)^2 = 
20) -
= -81 ... negative is not inside a parenthesis that's why it is still negative
21) you can add another way is
= 16
Everything else looks good. Great job!
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Answer:
-3
Step-by-step explanation:
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x = 175/7 = 25
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Answer:
4 miles
Step-by-step explanation:
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