From tomorrow I am having exams I am stressed

Factor and solve to find roots x squared -x - 90 =0

Which term below correctly completes the following sentence? if a function has a vertical asymptote at a certain x value, then the function is what at that value

Side xy of triangle xyz is extended to point w, creating a linear pair with ∠wyz and ∠xyz. measure of an exterior angle what is the value of x? 64 80 100 180