Solve 12-5 = by using a related addition fact show how you solved the problem

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Write an equation of the line that passes through the point (2, 3) and is perpendicular to the line x = -1. a) y = 1 b) y = 3 c) y = 0 eliminate d) y = -3