Given the function f(x)=x^2-4x-5

Matteo makes raspberry punch. the table shows how many parts ginger ale and raspberry juice to use for a batch. raspberry punch parts ginger ale 2 parts raspberry juice 3 matteo decides to add one part of raspberry juice. what is the new ratio of ginger ale to raspberry juice?

(hurry! ) which expression is equivalent to the following complex fraction?

For each proportion find the unknown number x 1/5/8=×/15