Use technology to calculate det A.A = 
A. 48
B. 31
C. 364
D. 4
Answer: C
Mathematics
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Find the slope of the line satisfying the given conditions.horizontal, through (-5, -7)
A. 1 B. 0 C. -1 D. undefined
Mathematics
Solve the system. x - y + 3z = 14x + z = 0 x + 5y + z = -5
A. {(0, -1, 0)} B. {(0, -1, 1)} C. ? D. {(0, 0, -1)}
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Evaluate by finding the least common denominator. Simplify if possible.- 
- 
A. 
B. 
C. 
D. 
Mathematics
Round the whole number to its highest place value.58,874
A. 58,900 B. 58,000 C. 60,000 D. 59,000
Mathematics