Solve this quadratic equation. x^2 + 2x - 22 = 0 the answer will look something like x=(5-√76) but obviously that's not the answer.

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

What is the sum of the first 8 terms of the geometric series

Y+ 2/y is it a polynomial in one variable or not? and if so, why?