Which number is not a perfect square? a) 4 b) 9 c) 144 d) 84

Find the slope of the line passing through a pair of points

In the diagram below,abc is congruent to dec what is the value of x

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0