The total amount Ellen paid for the book $16.21
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He will earn $427.50 because $4.27 times 90 equals $427.50
Answer:
Slope = 
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
<span> (0, 2) (3, 0)
slope = (2-0)/(0-3) = -2/3
perpendicular lines, slope is opposite and reciprocal
so </span><span>the slope of a line that is perpendicular to the line is 3/2
answer
3/2</span>