Find the required ratio.The atomic mass of an atom of carbon is defined to be 12 u. The ratio of the atomic mass of an atom of bromine to that of an atom of carbon is 
. What is the atomic mass of an atom of oxygen? (The symbol u represents the unified atomic mass unit, where 1 u = 1.66 × 10-27 kg.)
A. 40 u
B. 80 u
C. 160 u
D. 82 u
Answer: B
Mathematics
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Solve using the addition principle.m - 4 = -1
A. -3 B. 3 C. -5 D. 5
Mathematics
Find the indefinite integral.
?
What will be an ideal response?
Mathematics
Given functions f and g, determine the domain of f + g.f(x) = 2x - 3,g(x) = 
A. (-?, -3) or (-3, ?) B. (-?, -5) or (-5, ?) C. (0, ?) D. (-?, ?)
Mathematics
Find the volume of the solid obtained by revolving the region under the graph of 
on [1, ?) about the x-axis.
What will be an ideal response?
Mathematics