Daniel watches 1 hour of television for every 4 hours of homework he does each week. if he did 20 hours of homework last week, how many hours of television did he watch?

At least two people have the same birthday in a school of 150 students

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

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.