Solve the problem.The table lists the average annual cost (in dollars) of tuition and fees at a certain 2-year college for selected years, where year 1 represents 1992, year 3 represents 1994, and so on. Use the ordered pairs (3, 1136) and (9, 1328) to find the equation of a line that approximates the data. (If necessary, round the slope to the nearest hundredth and the y-intercept to the nearest whole number.) 
A. y = 32x + 1040
B. y = 32x + 944
C. y = 32x - 1232
D. y = 64x + 944
Answer: A
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Use the graph to evaluate the limit.
f(x)
A. - 
B. ?
C. 
D. -1
Find the fraction equal to the given decimal.0.100831831831 . . .
A. 
B. 
C. 
D. 
Solve the problem.In a study of 135 women, roughly half took estrogen as well as calcium and vitamin D supplements and received regular dental checkups. The remaining women received the supplements and the checkups but substituted a sugar pill for the estrogen. Those who received the estrogen had an average 3.6 percent gain in bone density compared to a 0.2 percent bone density improvement in those taking the sugar pill. This study can best be described as
A. a survey using quota sampling. B. a controlled placebo experiment. C. a census. D. a survey using simple random sampling. E. the placebo effect.
Solve. Use ? ? 3.14 when necessary.A flagpole 9 feet tall casts a shadow that is 12 feet long. Find the length of the shadow cast by an antenna which is 42 feet tall. Round to the nearest tenth if necessary.
A. 45 feet B. 56 feet C. 31.5 feet D. 2.6 feet