13) Solve algebraically through elimination:
3x + y = -21
-X-y-5

For what values of x is x2 + 2x = 24 true?

Anyone know these questions? i need ,.

Nellie is analyzing a quadratic function f(x) and a linear function g(x). will they intersect? f(x) g(x) graph of the function f of x equals one half times x squared, plus 2 x g(x) 1 5 2 10 3 15