of the 187 students in a school, 64 play soccer and 69 play lacrosse; and of those, 27 play both, What is the probability of randomly selecting a student that only played soccer?

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.