Skills Maintenance
Comparing Fractions
I can't figure out how to do this. Please help.

Find the value of the variable and the length of each secant segment

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

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)