A landscaping company estimates the price of a job, in dollars, using the expression 60 + 12nh, where n is the number of landscapers who will be working and h is the total number of hours the job will take using n landscapers. Which of the following is the best interpretation of the number 12 in the expression?

Which of the following are expression with numbers only? 9-2n

A student opens a checking account when she starts a new job so that her paychecks can be directly deposited into the account. Her balance can be computed using the expression 10nw+50m where n is the number of hours she works every week and w is the number of weeks that she has worked so far. Assuming she does not withdraw any money from her account, which of the terms in the expressin most logically will change if the student geets a raise ?

The mean annaul salary of an NBA player, S, can be estimated using the equation S=161,400(1.169)^(t) , where S is measured in thousands of dollars, and t represents the number of yearts since 1980 for 0letle20 . Which of the following statements is the best interpretation of 161,400 in the context of this problem?

If n is a natural number, then which of the following expression ends in zero?

Which of the following expressions correctly represents the expression "number n divided by seventeen"?

If John has n marbles and loses five of them in a game, then the number of marbles left with him is equivalent to which of the following expressions?

The expression "three times a number n" is equivalent to which of the following expressions?

A home designer will carpet n rooms with the same dimensions in a house using a specific type of carpeting. The designer charges using the expressions nClw, where n is the number of rooms, C is a constant with units of dollars per square meter. L is the length of the each room in meters, and w is the width of each room in meter. If a customer asks the designer to use a less expansive type oof carpating, which of the following factors in the expressions would change?

A painter will paint n walls with the same size and shape in a building using a specific brand of paint. The painter’s fee can be calculated by the expression nKAh, where n is the number of walls, K is a constant with units of dollars per square foot, A is the length of each wall in feet, and h is the height of each wall in feet. If the customer asks the painter to use a more expensive brand of paint, which of the factors in the expression would change?