The length of the 135˚ arc below is (15/4)π. Find the radius of the circle. Please explain the answer.

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Which expression is equivalent to 5r674 pression is equivalent to see lo 5r614) 4r322,4 ) 5 ( 2 5t5 |

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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.