What is the factored form of the polynomial? x^2+9x+20

Im so bad at fractions they are not my best math thing to work on

Select the correct answer. which exponential function has an x-intercept? oa. (x) - 100x-5-1 ob. (x) = 3x4+2 oc. kx) = 7x-1 + 1 od. 1(x) =-3x+1 - 3

Witch sequence shows a pattern where each term is 1.5 times the previous term