Help. Algebra 2 . Help help help

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

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

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²