1) If a relationship between two numbers is proportional a) They are equivalent and can be reduced to the same fraction
b) They decrease by numerator
c) They increase by each time
d) They share the same denominator

How do i solve using pythagorean theorem?

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?