Add or subtract as indicated. Simplify the result if possible. If an answer is an improper fraction, write it as a mixed number.
- 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Perform the indicated operation
Express 0.0000034 using scientific notation.
Mathematics
Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = 2x2 - 30x + 112
A. (-8, 0) and (-7, 0) B. (8, 0) and (-7, 0) C. (-8, 0) and (7, 0) D. (8, 0) and (7, 0)
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.3x2 = -8x - 1
A. 
B. 
C. 
D. 
Mathematics
Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.4
+ 4i
A. 8( cos 30° + i sin 30°) B. 8( cos 150° + i sin 150°) C. 8( cos 330° + i sin 330°) D. 8( cos 60° + i sin 60°)
Mathematics