What does x^2+6x-6=y^2-2y equal ?

Convert the cartesian equation (x 2 + y 2)2 = 4(x 2 - y 2) to a polar equation. choices: r4 = -4r2 r2 = 4cos2θ r2 = 4sin2θ

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

One integer is 8 times another. if the product is 72, then find the integers