Answer:

Step-by-step explanation:
Slope of the line using two pairs of values from the table, (-2, 5) and (2, 2):


There are 6C3 = 20 such combinations.
abc, abd, abe, abf
acd, ace, acf, ade
adf, aef, bcd, bce
bcf, bde, bdf, bef
cde, cdf, cef, def
20,817.92 rounded to the nearest dollar is 20.818