Urgent I need help fast The class of 2018 is selling tickets for the ice cream picnic. They need to collect at least $500 to help with prom. If student tickets cost $1.50 each and adult tickets cost $3.00, write an inequality that represents all possible combinations of x, student tickets and y, adult tickets.

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)