If a - 5b - 3 = 8, then the straight line ax + by + c = 0 must pass through the point I) (1, 5)
II) (1, -5)
III) (5, -1)
IV) (-1,5)

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4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

answer: an 8-foot rope is tied from the top of a pole to a

stake in the ground, as shown in the diagram

below

step-by-step explanation: