Which set of ordered pairs represents a function? \{(-6, 5), (-1, -2), (-4, -6), (-9, 5)\}{(−6,5),(−1,−2),(−4,−6),(−9,5)}
\{(-4, -4), (-4, 8), (-7, 1), (9, 7)\}{(−4,−4),(−4,8),(−7,1),(9,7)} \{(-3, 4), (6, 1), (-8, -8), (-8, -5)\}{(−3,4),(6,1),(−8,−8),(−8,−5)}
\{(7, 9), (0, 4), (-2, 1), (7, 1)\}{(7,9),(0,4),(−2,1),(7,1)}

The graph shows the prices of different numbers of bushels of corn at a store in the current year. the table shows the prices of different numbers of bushels of corn at the same store in the previous year. previous year number of bushels price of corn (dollars) 2 10 4 20 6 30 8 40 part a: describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. part b: how many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? show your work.

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m