If i drive 3 hours at 65 mph how many miles will i travel

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

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3