Solve each question -15=7n+8n=

What is the quotient of -3/8and-1/3?

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

Solve for n? [tex]z = \frac{3}{4} mn[/tex]