Solve the quadratic inequality. Express your solution on a number line using interval notation.x(x + 5) ? 0
A. [0, ?) 
B. (-?, -5]
C. [-5, 0]
D. (-?, -5] ? [0, ?)
Answer: D
Mathematics
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Multiply.
A. 69,590 B. 80,590 C. 70,590 D. 71,590
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Provide an appropriate response.Why is it not possible to have an alternating sequence that is an arithmetic sequence?
What will be an ideal response?
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Assume that the probability that an airplane engine will fail during a torture test is 
and that the aircraft in question has 4 engines. Find the probability that exactly 2 engines will survive.
?
Please enter your answer as a fraction.
What will be an ideal response?
Mathematics
Find the mean. If necessary, round to one decimal place.17, 1, 26, 17
A. 15.8 B. 15.3 C. 13.8 D. 20.7
Mathematics