7. A tourist would like to exchange 100 USD for kuna, the
currency of Croatia. At the rate 12 USD = 66 kuna, how
many kuna should the tourist receive?

Do u just plot the numbers on the graph like (1,

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?