Can someone help me i don’t get this at all (my mouse is covering the letter “L”)

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )

The least common multiple is the multiple, other than 0, common to sets of multiples.

Find the slope of the line that passes through the points (-3, -1) and (0, 3). 3/4 0 4/3