Circumference = 2 x radius x Pi
Circumference = 2 x 15 x 3.14
Circumference = 30 x 3.14
Circumference = 94.2 feet
Answer:
For number 7 it is 6x*4
For number 8 it is 3(6+4)
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Answer: is not / is one x-value
Step-by-step explanation:
Hi there!

Work out the parenthesis.

Combine like terms.

Subtract 9 from both sides.

Subtract 4x from both sides

Divide both sides by -9