Find the value of x.

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Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?