PLEASE LOOK AT THE PICTURE I HAVE 2 MINUTES AND IM STUCK PLEASE HELP!!!

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?