Hey...I have tried resetting my password but it keeps saying this...any ideas how to fix it?

X+ y = 5 ; x - y =3 solve using linear combination

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2