I need help on the question

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

Find two numbers if their sum is 91 and the ratio is 6: 7?

Why is partitioning a directed line segment into a ratio of 1: 3 not the same as finding the length of the directed line segment?