Solve the inequality.x2 - 3x ? -2
A. [2, ?)
B. [1, 2]
C. (-?, 1]
D. (-?, 1] or [2, ?)
Answer: D
Mathematics
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Find all the roots of the complex number. Put answers in standard form.Cube roots of 8j
A. -2j, - 
- j, 
- j
B. -2j, 
+ j, - 
+ j
C. 2j, 
- j, - 
- j
D. 2j, 
+ j, - 
+ j
Mathematics
Find the total cost.1440 hospital mattressesat $45 per mattress
A. $1485 B. $32 C. $1395 D. $64,800
Mathematics
Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857 B. 700 C. 100 D. 0.07
Mathematics
Perform the division. Write the answer with positive exponents.(50x8 + 30x6 + -45x3) ÷ (-5x3)
A. -10x5 + 30x6 - 45x3 B. 50x5 + 30x3 - 45 C. -10x8 - 6x6 + 9x3 D. -10x5 - 6x3 + 9
Mathematics