A printing service charges a set-up fee of $ 14.25 for each order and 10 cents more for each copy. The total cost, C (in dollars), for an order of x copies is given by the following.
C=0.10x+14.25
What is the total cost for an order of 40 copies?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

X+ y = 5 ; x - y =3 solve using linear combination