Solve the system of equations.
3x + 2 = –18 + 5y
8y – 6 = 4x + 9y
y – 10 = 3x + 2z

a. (–2, 2, –1)
b. (–2, 0, –11)
c. (–2, 11, 7)
d. (–1, –4, –8)

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

This question awards 100 ! i really don’t want to fail i will also mark you !

98 point question what is the record for most points in one