Do 4X and 15+ X have the same value when X is five?

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost