Question (Essay Worth 10 points) (01.05 MC)The temperature of a city changed by -20 degrees Celsius over a 4-week period. The temperature changed by the same amount each wee
Part A: Write an expression to show the average change in the temperature of the city each week (5 points)
Part B: Simplify the expression and explain, using words what your answer means (5 points)

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

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

Awasher and a dryer cost $701 combined. the washer costs $51 more than the dryer. what is the cost of the dryer?