Don’t mind where it says number 17 but plz help!!!SHOW YOUR WORK ON PAPER PLZ!

Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)