Determine the type of slope of a line that goes through (-4,2), (-4,5)

Me what is the value of x? showing work would be appreciated - ! : )

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Novak gives 9 packs of paper to a group of 5 students. if the group shares the paper equally how many packs of paper does each student get. write the a answer as a mixed number