Let (xi, yi), i = 1, 2, 3, 4, 5, be a set of five distinct points with integer coordinates in the xy plane. show that the midpoint of the line joining at least one pair of these points has integer coordinates.

b

step-by-step explanation:

the word superfluous means unnecessary

a=24; b=12

step-by-step explanation:

a/b=2: 1

a=2b

36/(1+2)=12

b=12

a=24

when the daily mileage is greater than 40 miles, unlimited mileage plan will save you money. 40 miles is the break-even point.

step-by-step explanation: