Solve the system of equations.9x - 9y - 6z = -116x + 3y - 3z = 1 x - y + 2z = -3
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Four radar systems work independently of each other. Each system can detect an approaching airplane with a probability of 0.95. Find the probability that an approaching airplane will escape all four systems.
What will be an ideal response?
Mathematics
Factor:
Mathematics
Find the requested sum of the arithmetic sequence.Find the sum of the first 344 positive even integers.
A. 117,992 B. 118,336 C. 118,680 D. 119,025
Mathematics
Rewrite the following so that only the positive exponents remain, and then simplify.
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E. 
Mathematics