Solve. Round to the nearest tenth if necessary.The enrollment at a local college decreased 11% from last year's enrollment of 2500. What is the current enrollment?
A. 2775 students
B. 2225 students
C. 275 students
D. 2489 students
Answer: B
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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = sin x cos x
A. 1 + x - 
x2 - 
x3 + . . .
B. x + 
x3 - 
x5 + 
x7 + . . .
C. x - 
x3 + 
x5 - 
x7+ . . .
D. x - 
x3 + 
x5 - 
x7 + . . .
Identify which of these types of sampling is used: simple random, stratified, systematic, or convenience.A market researcher selects 500 people from each of 10 cities.
A. Convenience B. Simple random C. Stratified D. Systematic
Find the mode or modes for the set of numbers.$90, $57, $32, $57, $29, $90
A. $57 B. No mode C. $90, $57 D. $90
Suppose that the average adult in the United States will work x number of days (rounded to the nearest day) to earn enough to pay for all of the household's leisure activities in that year. This number can be calculated by multiplying the average percent of household income spent on leisure activities by 365 (the number of days in a year). The bar graph shows the percent of income spent in various countries of the world. Use the graph to answer the question.
List all countries in the graph in which more than 12% of household income is spent, on average, for leisure activities.
A. Japan, USA B. Germany, Britain, Japan, USA C. China, Australia, France D. Britain, Japan, USA