Please solve this ! 20 Points+Brainest ( a^2÷b^2+1+b^2÷a^2 )

a^2 +1+b^2
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b^2 a^2

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)

Select the correct answer from each drop-down menu the equation of a line is 3/5*+1/3y=1/15

Given: transversal t passed through parrallel lines r and s.prove: < 3 = < 6 < 4 = < 8what is the next step in the proof? choose the most logicsl approach