Find the sum of the arithmetic sequence.7 + 14 + 21 + ... + 504
A. 18396
B. 17892
C. 18144
D. 
Answer: A
Mathematics
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If 
represents the temperature t hours after midnight, then 
indicates the temperature at 
a.m.
Answer the following statement true (T) or false (F)
Mathematics
Using the Divergence Theorem, find the outward flux of F across the boundary of the region D.F = 3x3i + 3y3j + 3z3k ; D: the thick sphere 9 ? x2 + y2 + z2 ? 25
A. 882?
B. 2176?
C. 
?
D. 103,752?
Mathematics
Is the first number divisible by the second number? Answer yes or no.1,168,116,352; 13
A. Yes B. No
Mathematics
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.x2 + x + 2 = 0
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics