Solve the following system by substitution, if possible. If (x, y) is the solution, find the value of 
.
?
?
A. 15
B. 21
C. 7
D. -27
E. no solutions
Answer: E
Mathematics
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?
?
A. 
B. 
C. 
D. 
E. 
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Provide an appropriate response.Obtain the first nonzero term of the Maclaurin series for sin x - tan-1 x.
A. 
B. 
C. 
D. - 
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Write the following proportions.4 inches is to 13 inches as 24 inches is to 78 inches
A. 
= 
B. 
= 
C. 
= 
D. 
= 
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Simplify.(6x4)6
A. 36x24 B. 36x10 C. 46,656x24 D. 6x24
Mathematics