Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.sin(tan-1 x)
A. 
B. x
C. 
D. 
Answer: C
Mathematics
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Use the line graph to answer the question.The line graph shows the 2001 sales data for the Big "D" company. 
Which month had the lowest sales?
A. Month 5 B. Month 7 C. Month 2 D. Month 3
Mathematics
A parabolic arch spans a stream 180 feet wide. How high above the stream must the arch be to give a minimum clearance of 20 feet over a channel in the center that is 140 feet wide?
A. 20 feet B. 27.475 feet C. 50.625 feet D. 70.625 feet E. 31.925 feet
Mathematics
Solve.Express the perimeter of the rectangle as a fully simplified rational expression.
A. 
in.
B. 10x in.
C. 20 in.
D. 10 in.
Mathematics
Find the numerical value of the expression for the given value.
, x = 3
A. - 
B. - 
C. 
D. 
Mathematics