(i need a answer for this)

which of the following relations is a function? *

a. {(1, 2), (-1, 3), (-1, 8)}
b. {(3,7), (3, 6), (5, 3)}
c. {(0, 4), (5, 6), (5, 8)}
d. {(1, 2), (2, 2), (3, 4)}

After the seventh month of a 12-month loan: the numerator is: {(n + 11) + (n + 10) + (n + 9) + (n + 8) + (n + 7) + (n + 6) + (n + 5)} = , and the denominator is: {(n) + (n + 1) + + (n + 11)} = . therefore, the fraction is numerator/denominator (to the nearest tenth) = %

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction