Write the normal form of the equation: 9x-2y+4=0


a. 9/ sqrt 85x-2/ sqrt 85y+ 4/ sqrt 85 =0

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles. i'm desperate.

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis