What is the slope of the line that contains the points (-1, 8) and (5, -4)

a. -1/2
b. 1/2
c. -2
d. 2

First point = (x1, y1) = (-1, 8)

Second point = (x2, y2) = (5, -4)

m = slope

m = (y2 - y1)/(x2 - x1) is the slope formula

m = (-4 - 8)/(5 - (-1)) plug in the given values

m = (-4 - 8)/(5 + 1)

m = -12/6

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step-by-step explanation:

which expression can be used to convert 80 us dollars (usd) to australian dollars (aud)?

1 usd = 1.0343 aud

1 aud = 0.9668 usd

step-by-step explanation:

sorry just need the points