Solve the problem.The space in a landfill decreases with time as given by the function 
where t is measured in years. How much space is left when 
A. 740
B. 200
C. 110
D. 390
Answer: B
Mathematics
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150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.A score of 50 corresponds to a standardized value of
A. -5. B. 5. C. 1.5. D. -1.5. E. none of these
Mathematics
Write the decimal as a proper fraction or mixed number in lowest terms.29.01
A. 29
B. 290
C. 29
D. 2901
Mathematics
Find the value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.
Find tan ?.
A. 
B. 
C. 
D. 
Mathematics
Simplify the trigonometric expression by following the indicated direction.Multiply 
by 
Fill in the blank(s) with the appropriate word(s).
Mathematics