The ratio of ds to as in the school was 4 to 72. if there were 1080 as in the school this term, how many ds were there?

Bring the fraction a/a-4 to a denominator of 16-a^2

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079

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