Please help I need the answer

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?