Tracey has an aquarium with 48 fish. She buys additional fish and now has a total of 57 fish. Which expression finds the percent increase in the number of fish?

What is the relationship between all triangles that can be drawn given the same three angles

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a