Solve the equation.-11.1x + 1.7 = -87.4 - 1.2x
A. {8}
B. {-99}
C. {9}
D. {8.1}
Answer: C
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Solve the problem.The table below shows the result of a polygraph test conducted on 2000 college students. Students were asked whether they had ever cheated on a test. All of them denied having cheated. Use the table to answer the question. 
What percentage of those that were lying were found to be truthful?
A. 13.3% B. 0.8% C. 28.9% D. 11%
Solve the problem.A motorcycle and a car leave an intersection at the same time. The motorcycle heads north at an average speed of 20 miles per hour, while the car heads east at an average speed of 48 miles per hour. Find an expression for their distance apart in miles at the end of t hours.
A. 2t
miles
B. t
miles
C. 52
miles
D. 52t miles
Provide an appropriate response.Given the set 
give the elements that are whole numbers.
A. 8 B. 0, 8 C. 0 D. -6, 0, 8
Solve the problem.The strength S of a wooden beam with rectangular cross section is given by the formula S = kd3 sin2 ? cos ?where d is the diagonal length, ? the angle illustrated, and k is a constant that varies with the type of wood used. 
Let d = 1 and express the strength S in terms of the constant k for ? = 45°, 50°, 55°, 
and 65°. Does the strength always increase as ? gets larger?
What will be an ideal response?