In the afternoon Rosa read 13 fewer pages as compared to the number of pages read in the morning
So we subtract 13 from 57 to get the number of pages read in the afternoon.
That is the number of pages read is the afternoon
Therefore Rosa read 44 papers in the afternoon

Step-by-step explanation:
1. B is true
2 . I don't know
3.
D 2520 -------------------------------------------
Undefined slope
slope=rise/run
if run=0, we get an undefined slope
means that it does go left or right, only up and down
the equaiton will be x=something
x intercept is -7 so the equation is x=-7