Which is a graph of a proportional relationship? NO BITLY ITS A SCAM I KNOW IT

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.