Use Heron's formula to solve the problem.A triangular dog pen at an animal shelter has sides of length 18 ft, 27 ft, and 39 ft. How much linoleum tile would be needed to cover this space? Round to the nearest whole number. 
A. 33 ft2
B. 3771 ft2
C. 213 ft2
D. 3753 ft2
Answer: C
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Use the RTSC Approach to solve the application.A baking pan measures 12 inches long, 5 inches wide, and 2 inches deep. What is the volume of the pan?
A. 120 in.3 B. 34 in.3 C. 19 in.3 D. 60 in.3
Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship , where S(x) represents the number of sales in year x, with
corresponding to 1982. In what year would the sales be 5100?
A. 1988 B. 1987 C. 1989 D. 1985
Find the composition. If f(x) = 4x2 + 5x + 7 and g(x) = 5x - 8, find g[f(x)]
A. 20x2 + 25x + 43 B. 4x2 + 25x + 27 C. 20x2 + 25x + 27 D. 4x2 + 5x - 1
Perform the indicated operations. Write the resulting polynomial in standard form.(5x + 12y)(5x - 12y)
A. 25x2 + 120xy - 144y2 B. 25x2 - 120xy - 144y2 C. 25x2 - 144y2 D. 10x2 - 24y2