Add the integers.-93 + 33
A. -60
B. 60
C. -126
D. 126
Answer: A
Mathematics
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Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. a9 - a B. a8 C. 9 D. a10
Mathematics
Find zw or 
as specified. Leave your answer in polar form.z = 10(cos 45° + i sin 45°)w = 5(cos 15° + i sin 15°)Find 
.
A. 
(cos 45° + i sin 45°)
B. 2(cos 30° + i sin 30°)
C. 
(cos 30° + i sin 30°)
D. 2(cos 45° + i sin 45°)
Mathematics
Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 2x, g(x) = 
A. Yes, no B. No, no C. No, yes D. Yes, yes
Mathematics
Use the region R to evaluate the double integral.
RR bounded by xy = 4, x + y = 5
A. 12 B. 6 C. 9 D. 8
Mathematics