Answer:
Step-by-step explanation:
Area=pi×radius^2 so if diameter is 5 then radius is half that which is 2.5. So it should be a=3.14 × 2.5^2. I hope that's right.
Well she started with P. She then found 87 ADDING that to her original P meaning she has P+87 coins :)
Answer:

Step-by-step explanation:

Answer:
The answer is 82.20.
Step-by-step explanation:
First you 68.50 x .20. Which equals 13.7. Then you add that to the total of the dinner. That is 68.50 + 13.7 = 82.20
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Answer:
(Some textbooks describe a proportional relationship by saying that " y varies proportionally with x " or that " y is directly proportional to x .") This means that as x increases, y increases and as x decreases, y decreases-and that the ratio between them always stays the same.
Step-by-step explanation:
google
and I know that the second one is the answer I dont know the others