Multiply.
? 
A. 3
B. 21
C. 441
D. 7
Answer: B
Mathematics
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Perform the indicated operation
Mathematics
Write the number as a decimal.5.0458 × 10-7
A. -504580,000 B. 0.0000050458 C. 0.000000050458 D. 0.00000050458
Mathematics
Use the given information to find the exact value of the trigonometric function.sin ? = 
, tan ? > 0
Find cos 
.
A. 
B. 
C. 
D. 
Mathematics
Use the order of operations to simplify the expression.
? 
+ 
? 
A. 
B. 
C. 
D. 
Mathematics