We have 8 yards of wraping paper. if we use 2 feet for each present how many present can we wrap

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 expression is equivalent to 1/2(2+3x-6)

For what values of x is x2 + 2x = 24 true?