You want to put all your songs onto your new mp3 player. you have 57 songs on your laptop and 123 songs on your desktop. you also have 245 songs from your cd collection. how many songs do you have in all?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1