If P = {0, 1, 2, 3, 4), Q = {4, 6, 8}R = {6, 12, 18) Then what is (P O Q) U (Q N R)?​

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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.