1) A statistical process control (SPC) system is a method of measuring the number of defects in a product. A quality control manager is starting a new SPC program at a base
cost of $25,000. The manager can choose to add an additional personal computer (PC) to
a department at a cost of $2000 per department.

a) Write a linear model that gives the total cost as a function of the number of
departments that will add an additional PC.

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.