Simplify the expression-3u-7v+2uv+9v+u+9uv-9u

How far is x from 5 on a number line?

Explain why the function is discontinuous at the given number a. (select all that apply.) f(x) = 1 x + 1 a = −1 f(−1) is undefined. lim x→−1+ f(x) and lim x→−1− f(x) exist, but are not equal. lim x→−1 f(x) does not exist. f(−1) and lim x→−1 f(x) exist, but are not equal. none of the above

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on