Circle O shown below has a radius of 21 inches. Find, to the nearest tenth, the radian measure of the angle, x, that forms an arc whose length is 17 inches.
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Find x to the nearest hundredth place

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.

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?