Which of the following functions matches the graph? Y=|x| y=x^2 y=-|x| y=-x^2

Simply 8x squared + 5(7x squared- x) - 2x =

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.

Ftara spends $219 a month for her car payment and she makes $3,200 a month, what percent of her monthly income is spent on her car payment?