Factor completely
x^4 -81

What is the point-slope form of theequation for the line with a slope of-2 that passes through (1, 4)? a y + 1 = -2(x + 4)b y-1=-2(x-4)c y + 4 = -2(x + 1)d y - 4 = -2(x - 1)

Find the distance between the pair of points a(-1,8) and b(-8,4)

What is the value of the product (3-2i)(3+2i)?