3. There are 350 farmers in a large region. 260 farm beetroot, 100 farm yams, 70 farm radish, 40 farm beetroot and radish, 40 farm yams and radish, and 30 farm beetroot and yams. Let B, Y, and R denote the set of farms that farm beetroot, yams and radish respectively.

How do we get this answer? does it have to do with the point -4,0?

Between the two sections of a math class, there are 24 students. Sometimes students like to study together. Show that there exist two people who have studied with the same number of classmates using Pigeonhole Principle.

Remember your integer ruies! Selving Equations (two step problems-contains negatives) Solve for x in each problem. 1.) 3x - 1 = - 13 2.) 2 + 6x = 32 x--4 X-5 3.) 6x + 1 = 7 4.) 5-3x = 8 5.) 4x + 3 = 47 6.) 2x + 3 = 3 7.) -6x - 7 = 73 8.) 5-2x = 5 9.) 74 4x 47 10.) 7x- 2= 47 11.) -7x + 1 --55 12.) 4-62