Solve.When a physics department had only a few faculty and staff members, each had an office with dimensions x ft by x ft. Now that the department has grown, its offices are being enlarged. Each faculty and each staff office will be made 3 ft wider, whereas each faculty office will also be made 
longer. Write an expression for the ratio of the area of an enlarged faculty office to the area of an enlarged staff office. Simplify.
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Answer: D
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Solve the problem.A triangular lake-front lot has a perimeter of 1900 feet. One side is 300 feet longer than the shortest side, while the third side is 400 feet longer than the shortest side. Find the lengths of all three sides.
A. 500 ft, 800 ft, 900 ft B. 500 ft, 500 ft, 500 ft C. 100 ft, 200 ft, 300 ft D. 400 ft, 700 ft, 800 ft
Solve the rational inequality. Write the solution set in interval notation.
< 0
A. (-?, ?) B. (-7, 0) C. ? D. (-?, -7)
Find the median. If necessary, round to one decimal place.During an experiment, the following times (in hours) were recorded: 8, 10, 24, 23, 30, 31.
A. 23 hr B. 18.5 hr C. 24 hr D. 23.5 hr
What symbol must be inserted in the blank to make a true statement?
?
?
A. 
B. 