Find r for the geometric series with s5 = 484, a1 = 4, a5 = 324

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

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3

Acafeteria manager can choose from among six side dishes for the lunch menu: applesauce, broccoli, corn, dumplings, egg rolls, or french fries. he used a computer program to randomly select three dishes for monday's lunch. what is the theoretical probability the applesauce and broccoli will both be offered monday?