3. Find the missing value.
a. The mean is 8:
b.
5, 11, 9, 7, 6, X

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

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Find the maximum value of p= 4x + 5y subject to the following constraints :