Renee deposits $4,000 in a savings account that earns 2% simple interest per year. how much interest will she earn after 1 year?

(hurry! ) which expression is equivalent to the following complex fraction?

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.

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]