PLEASE HELP BUT NO LINKS THO. The linear expression -12x-18 can be written equivalently as the expression a(bx+3) where a and b are integer values. What is the value of a that makes the statement true. *
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Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)