Find a counterexample to show that the congruent is false

the difference of a positive number and a negative numbers always positive

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Which of the following points is collinear with (-2,1) and (0,3)