PL Z HELP I WILL MARK BRAINIEST what is 55 times 2 reduced by 34 times the double of the amount started i find this very confusing pl z help.

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Factor the expression using gcf 9b+45

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)