Find the specified vector or scalar.u = -2i + 4j and v = -6i - 16j; Find 
.
A. 4
B. 
C. -3
D. 4
Answer: A
Mathematics
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State the period of the function and graph.sin 
A. Period 2?
B. Period 2?
C. Period 2?
D. Period 2?
Mathematics
Use an appropriate identity to find the exact value of the expression.cos 
A. 
+ 
B. 
C. 
D. 
- 
Mathematics
Solve the problem.An initial investment of $12,000 is appreciated for 3 years in an account that earns 6% interest, compounded quarterly. Find the amount of money in the account at the end of the period.
A. $14,135.39 B. $14,292.19 C. $2347.42 D. $14,347.42
Mathematics
Change the following percent to a fraction.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics