Answer:
81
Step-by-step explanation:
i added it all
Answer:
c
Step-by-step explanation:
d=2r=2X3=6
Answer:
Please try writing your question properly.
Step-by-step explanation:
I will help you in solving it.
Answer:
x=20
Step-by-step explanation:
2(x+10)=60
distribute 2 by multiplying numbers in parenthesis
2x+20=60
subtract 20 from both sides
2x=40
divide both sides by 2
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x=20
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Answer:
-1, -1
Step-by-step explanation: