Use the given matrices to compute the given expression.Let A = 
. Find 5A.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the quadratic equation by completing the square.8x2 + 1 = 3x
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The change in a certain engineer's salary over time can be approximated by the linear equation 
where y represents salary in dollars and x represents number of years on the job. According to this equation, after how many years on the job was the engineer's salary $64,000?
A. 13 years B. 10 years C. 11 years D. 12 years
Mathematics
Solve the inequality.x - 3 < -4
A. [-1, ?)
B. (-?, -1)
C. (-1, ?)
D. (-?, -1]
Mathematics
Identify the pair of lines as appearing to be parallel, perpendicular, or intersecting.
A. Intersecting B. Parallel C. Perpendicular
Mathematics