Solve, using the substitution method.
y – 3x = 7
21 9x = 3y
a.
there is no solution.
b.
there are an infinite number of solutions.
c.
the solution is (1, 10)
d.
the solution is (28, 0)

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

Ming says that 0.24 > 1/4 because 0.24= 2/4. which best explains mings error

Hurrya vegetable garden and a surrounding path are shaped like a square that together are 11ft wide. the path is 2ft wide if one bag of gravel covers 9 square feet how many bags are needed to cover the path