What is the answer for 4(4x+2)=2(8x=1)

Which choice represents the sample space ,s for this event

What are “like terms”? why can we only add like terms?

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.