May someone please help me, please? This is about exponents by the way. About 5 questions I need help with.

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

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

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.