Which set of ordered pairs x y could represent a linear function of x
a (-2,8) (0,4) (2,3) (4,2)
b (1,2) (1,3) (1,4) (1,5)
c (-2,7) (0,12) (2,17) (4,22)
d (3,5) (4,7) (3,9) (5,11)

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

10x − 5y + 14 = 0 whats the answer pls

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62