A businessman is paid $12 per hour and $6 for each sale he makes. He wants to earn more than $250 in a 12-hour work period Part A: Write an inequality that represents the number of sales, x, the businessman must make in a 12-hour period to earn more than $250.
Part B: What is the least number of sales he must make to reach his sales goal? Show your work or explain your answer.

25 points

Which of the following graphs represents the function f(x) = 2^x

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

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)