Perform the indicated operation.(2n7 + 2n - 3n4) + (9n4 + 8n7 - 6n)
A. 12n12
B. 10n7 + 6n4 - 4n
C. 10n + 6n7 - 4n4
D. 10n7 + 11n4 - 9n
Answer: B
Mathematics
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Fill in the missing value.8.8 L = cm3
A. 0.088 B. 0.0088 C. 8800 D. 880
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Solve using the quadratic formula. Use a calculator to approximate the solution to three decimal places.2x - 
= 
x2
A. -3.100, -0.233 B. 3 C. -0.333 D. 0.333, 3
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. 2(cos 45° + i sin 45°)
D. 
(cos 30° + i sin 30°)
Mathematics
Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.csc x(sin x + cos x)
A. -2 tan2 x B. sec x csc x C. sin x tan x D. 1 + cot x
Mathematics