Y-(-3y) combine the like terms to create an equivalent expression

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36