A librarian has 4 times as many mysteries than romances. She lends out 12 mystery books. How many mystery books she have now if she started with 15 romances?

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Find the cosine function that is represented in the graph.

Hey hotel charges guests $19.75 a day to rent five video games at this rate which expression can be used to determine the charge for renting nine video games for one day at this hotel? pls