The cost of using a telephone in a hotel meeting room is $0.20 per minute. Which of the following equations represents the total cost c, in dollars, for h hours of phone use?

Hannah placed an online order for shirts that cost $24.50 per shirt. A tax of 7% is added to the cost of the shirts, before a flat, untaxed shipping rate of $6 is charged. Which of the following represents Hannah's total cost for s shirts, in dollars?

Gina subscribes to a cell phone service that charges a monthly fee of $60.00 . The first 500 megabytes of data is free, and the cost is $0.15 for each additional megabyte of data used that month. Which of the following functions gives the cost, in dollars, for a month in which Gina uses x megabytes of data, where x gt 500 .

It costs (s+t) dollars for a box of brand A cat food, and (q-r) dollars for a box of brand B cat food. The difference between the cost of 15 boxes of brand A cat food and 7 boxes of brand B cat food is k dollars. Which of the following equations represents a relationship between s, t, q, r, and k?

The graph above displays the total cost C, in dollars, of renting a boat for h hours. Which of the following represents the relationship between h and C ?

A mail clerk estimates that a package will cost f dollars to ship, where fgt20 . His goal is for the estimate to be within 2 dollars of the actual cost to ship the package. If the mall clerk meets his goal and it costs g dollars to ship the package, which of the following inequalities represents the relationship between the estimated cost and the actual shipping cost?

The graph on page 222 represents the yearly cost of playing 0 to 5 games of golf at the sunybrook Golf Course, which includes the yearly membership fee. a. What is the cost of playing one game of golf? b. Write a linear functions that expresses the total cost in dollars, C, of joining the club and playing n games during the year. What is the cost of playing 10 games of golf?

The cost, in dollars, of producing tires by a manufacturing firm is determined by the following equation : C = 120 + 90 xx W + 78 xx N , where 'C' represents the cost incurred , 'W' represents the number of workers, 'N' represents the number of units produced. If 10 units have to be produced, what is the maximum number of workers that can be employed so that the total cost doesn't exceed $2700?