Pythagorean Theorem a kite has a perpendicular diagnols

What is best way to getting answer for my exam is

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days