Simplify.
÷ 
- 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the derivative.y = 
A. 
B. 
C. 
D. 
Mathematics
Write the vector v in terms of i and j whose magnitude 
and direction angle ? are given.
= 8, ? = 30°
A. v = 4i + 4
j
B. v = -4
i + 4j
C. v = 4
i + 4j
D. v = 4
i + 4
j
Mathematics
Add and simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the system using Gauss-Jordan elimination.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics