A scatter plot of data comparing the time in minutes Beverly spends studying for her math test and the score she received on the test contains the ordered pairs (45, 89) and (60, 94). Which is the slope-intercept form of an equation for the line of fit?
F. 0.573x + 63.2 = y
G. 1/3x + 74 = y
H. 3x - 46 = y
J. -1/3x + 104 = y