Simplify.- 
A. 17
B. Not a real number
C. -17
D. -144
Answer: C
Mathematics
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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 
sin (tan-1 u)
A. 
B. 
C. 
D. u
Mathematics
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Mathematics
Provide an appropriate response.Evaluate 13-1.
A. -13
B. 
C. 1
D. -1
Mathematics
Determine whether the equation is an identity, a conditional equation, or an inconsistent equation.
+ 
= - 
A. Identity B. Conditional equation C. Inconsistent equation
Mathematics