Idon't understand this.

options for answers are:
a. 11√2
b. 22√2
c. 10√2
d. 20√2

i'm in 8th advanced math.

Two numbers have a sum of -19. one number is x. what expression represents the other number?

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

1. solve the system of equations by graphing: y = -3x - 3 m = b = y = 2x + 2 m = b = plz solve now