Which complex number has a distance of 117 from the origin on the complex plane?
A. 2+15i
B. 17+i
C.20-3i
D. 4-i

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

Which of the following contains a variable?

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c