Solve.x4 + 5x2 - 36 = 0
A. ±2i, ±3i
B. ±2, ±3
C. ±3, ±2i
D. ±2, ±3i
Answer: D
Mathematics
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
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Perform the operations and simplify.
?
?
A. ?
B. 0
C. ?
D. ?
Mathematics
Fill in the blank with the appropriate measurement relationship.1 hr = 
min
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the rational inequality and graph the solution set on a real number line. 
? 0
A. [7, 8]
B. (7, 8]
C. (-?, 8]
D. (-?, 7) ? [8, ?)
Mathematics