Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cot (cos-1 u)
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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The slope of the regression line gives an estimate of the rate of change of the data being modeled.
Answer the following statement true (T) or false (F)
Mathematics
Solve the problem.Suppose your job is to take phone orders for computer parts. Use the table below to answer the following questions. Write the correct part number that matches what you hear the customer say on the phone. 
"Do you have that part in 1 and 9 tenths centimeters?"
A. D B. G C. F D. A
Mathematics
Find the equation of the line in slope-intercept form.The line through (3, 4) with slope - 
A. y = - 
x - 6
B. y = - 
x - 
C. y = - 
x + 
D. y = - 
x + 6
Mathematics
Add or subtract.
+ 
A. 0
B. 6x
C. 
D. 
Mathematics