Is f(x) =3*(7/4)^x a growth or decay. Please help me it’s urgent

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

2.5 milligrams is equivalent to how many grams

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?