Work out the greatest and least possible value of 3x-2y with the numbers 4,5,6,7,8,9

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm