10- 3/4z = 8

Somebody, please help me! I don't get this!

Which value of c would make he following expression completely factored? 8x+cy

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

What is the length of the unknown leg in the right triangle ?