9x + 4y = 7
6x - 4y = 2

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

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Write the percent as a fraction or mixed number in simplest form. 0.8%