T 2. Which of the following is an example of a set of like terms?
\{19y, 19, y\}
\{18x, - 2x, 21x\}
\{15, 20, 25y\}
\{- 2x, - 2y, - 2xy\}
Which is a like term
\{19y, 19, y\}
\{18x, - 2x, 21x\}
\{15, 20, 25y\}
\{- 2x, - 2y, - 2xy\}
Which is a like term