If f(x)=3x^2-4 and g(x)=x+2, find (f-g)(x)

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Roger could feed 5 walruses with 4 kilograms of fish. how many walruses could he feed with 7.2 kilograms of fish?

At a pizza shop 70% of the customers order a pizza 25% of the customers order a salad and 15% of the customers order both a pizza and a salad if s customer is chosen at random what is the probability that he or she orders either a pizza or a salad