Jill decides to move her fish from a 20 gallon aquarium to a 50 gallon aquarium. she added 3 tablespoons of salt to her old aquarium. if she wishes to maintain to same salinity level, how many tablespoons should she add to her new aquarium?

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

This is about circle theorems. someone asap : (

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18