Evaluate. Simplify if possible.- 
+ 
A. - 1
B. 1
C. 
D. - 
Answer: A
Mathematics
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Evaluate the surface integral of G over the surface S.S is the portion of the cone z = 5
, 0 ? z ? 3; G(x, y, z) = z - y
A. 
?
B. 
?
C. 
D. 
?
Mathematics
Solve the problem.Consider a retirement savings account where the monthly contribution is $125 for the first 10 years, is increased to $225 for the next 25 years, and then is increased once again to $400 for the last 5 years. The APR is always 6.6% compounded monthly. What is the value of the account at the end of 40 years? Round your answer to the nearest cent.
A. $418,651.04 B. $409,863.08 C. $406,912.67 D. $359,959.20 E. $421,601.45
Mathematics
Solve the system.
A. (-4, -3), (-3, -4) B. (-4, 3), (-3, 4) C. (4, 3), (3, 4) D. (4, -3), (3, -4)
Mathematics
Find the sum.-40 + 35
A. -75 B. -5 C. 5 D. 75
Mathematics