Which of the following choices is the common difference between the terms of this arithmetic sequence? 55, 50, 45, 40, 35, a. -10 b. 55 c. 5 d. -5 e. 10

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

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.