7. (03.01) Consider the two groups listed below. Which statement describes the sets? (2 points)
• house
• complete mailing address

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.

What number is 7 units left of -15?