Which choice represents a pair of parallel lines? A. 8x-2y=20 & y= -1/4x+3
B. y=3x+5 & y= 1/3x-2
C. -3x+4y=18 & y= 3/4x+6
D. -3x+4y=16 & y= -3/4x-10

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step-by-step explanation:

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step-by-step explanation:

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c