Triangle ABC has a vertices located at A(6,8) B(3,2) and (3,8)on the coordinate grid

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Which letters from the table represent like terms? a and b b and c a and d b and d

Can someone me with the property questions for 12 13 and 14 plz