If `a^(6)+(1)/(a^(6))=54 find the value of `(a+(1)/(a))​

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

What is x3+3x2−16x−48 divided by x−1?

Which of the following is not a subset of {1,2,3}?