Firewood is stacked in a pile. the bottom row has 20 logs and the top row has 14 logs. each row has one more log than the row above it. how many logs are in the pile?

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.

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}