Order numbers from least to graders using 1,2,3,4

Which of the fallowing best completes the sequence 5,10,15, a) 30 b) 22 c)25 d)35

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

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e.g. 98.7654). x f(x) 0 1 2 3