Find the 15th term of the sequence.
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__________
Fill in the blank(s) with the appropriate word(s).
57
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Find the indicated quantities for the appropriate arithmetic sequence.An auditorium has 15 rows with 10 seats in the first row, 12 in the second row, 14 in the third row, and so forth. How many seats are in the auditorium?
A. 300 B. 360 C. 255 D. 390
Convert as indicated. When necessary, round to the nearest tenth of a degree.In a European cookbook, a recipe requires a mixture for candy to be heated to 
but the cook only has access to a Fahrenheit thermometer. Find the temperature in degrees Fahrenheit that should be used for making this candy.
A. 259.2° F B. 233.6° F C. 242.8° F D. 80° F
Solve.A rectangular box with volume 517 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base in feet. Express the cost of the box as a function of x and then graph this function. From the graph find the value of x, to the nearest hundredth of a foot, which will minimize the cost of the box.
A. 8.79 feet B. 8.49 feet C. 8.83 feet D. 8.91 feet
Find the perimeter.
A. 61 in. B. 58 in. C. 44 in. D. 78 in.