Which of the following is an equation of a line perpendicular to y = x - 1? A:2y - 3 = x
B:y + 3 = x
C:-x + y = 3
D:x + y = -3

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

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step-by-step explanation: