Which of the following polynomials is not factorable?
a. 3n^2-24n+36
b. 3b^3-3b^2-18b
c. 12x^2-xy-20y^2
d. 6x^2-7x+6

Find the length of cu, the triangles are similar.

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false