For which system of equations is (2, 2) a solution?
a.
–3x + 3y = 0
x + 6y = 10

b.
–2x + 5y = –6
4x – 2y = 4

c.
5x – 2y = –6
3x – 4y = 2

d.
2x + 3y = 10
4x + 5y = 18

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Write the pair of fractions as a pair of fractions with a common denominator

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase