Decide whether the expression is or is not an identity.
= sin x
A. Not an identity
B. Identity
Answer: A
Mathematics
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Evaluate the geometric series or state that it diverges.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.A fuel tank that holds 90 liters (L) of fuel is 
full. How many liters of fuel are in the tank?
A. 60 L
B. 
L
C. 135 L
D. none of the above
Mathematics
Write the number in standard form.Ellen and Juan's new internet site received a record 11.1 million visitors in its first week.
A. 111,000,000 B. 111,000 C. 1,110,000 D. 11,100,000
Mathematics
Perform the indicated clock arithmetic.2 ? 12 (12-hr clock)
A. 24 B. 12 C. 2 D. 1
Mathematics