Solve the problem.If u = -8i - 2j and v = 6i + 7j, find u + v.
A. -2i + 5j
B. -14i - 3j
C. 14i + 5j
D. -3i + 5j
Answer: A
Mathematics
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Use the given transformation to evaluate the integral.
Rwhere R is the interior of the ellipsoid 
A. 192? B. 160? C. 144? D. 96?
Mathematics
Solve problems using a calculator.Balance this checkbook by finding the closing balance as of December 10.DateBalanceWithdrawalsDepositsNov. 5$429.87??Nov. 7?$15.78?Nov. 18?$85.41?Nov. 24??$50.00Nov. 25?$9.12?Dec. 2??$188.34Dec. 7?$467.51?Dec. 10? ??
A. $90.79 B. $90.25 C. $90.39 D. $90.65
Mathematics
Find the domain of the given function.f(x) = 
A. [
, ?)
B. (-?, ?)
C. (-?, 
]
D. [- 
, ?)
Mathematics
Divide.
A. 
- 7i
B. -7 - 
i
C. - 
+ 7i
D. 7 + 
i
Mathematics