Samuel bought 30 books, the hardcover books cost$20 and the paperback books cost$8 of he spent $480 how many paperback books did he buy

Two lines that do not intersect are skew. always sometimes or never

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

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.