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What is the square root of 45? (step by step working plz)

The coordinates of a, b, and c in the diagram are a(p,4), b(6,1), and c(9,q). which equation correctly relates p and q? hint: since is perpendicular to , the slope of × the slope of = -1. a. p - q = 7 b. q - p = 7 c. -q - p = 7 d. p + q = 7

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why