I think it b not sure tho
It has to be in alphabetical order so, -16s + 17st + t I believe. If it’s incorrect, that’s because we’re barely learning it, sorry.
It takes 0.57 seconds per copy and he made 6 copies.
6 + 0.57 = 6.57
He added 6 and 0.57 instead of multiplying.
The first one has 2 like terms one is -4 and the other is * the 2nd question does have a like term z2 and z3 question 4 has 1 like term y3 and the last question has 4 like terms every number is a like term of each other
