Doreen bought a cell phone for x dollars. one year later the value of the phone was 0.75x. which expression is another way to describe the value of the phone

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 expression is equivalent to -5(3x - 6/7)

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.