This week Alonso spent 2 1/2 hours doing math homework and 3 2/3 hours making a poster for science class. Write these numbers of hours as improper fractions. Then find the total time Alonso spent on math and science homework.​

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.

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Which is the scale factor proportion for the enlargement shown?