30 Answer:
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Answer:
A = 1cm*pi
Step-by-step explanation:
Answer:

Step-by-step explanation:

Y = 3/4x - 5/2....subtract 3/4x from both sides
-3/4x + y = -5/2 ....multiply everything by common denominator of 4
-3x + 4y = -10
Answer:
2 x 15 +7
Step-by-step explanation: