Simplify, if possible. If the answer is undefined, state so.
A. 125
B. -24
C. 0
D. Undefined
Answer: D
Mathematics
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Evaluate the expression.The expression (rule) for finding the total time for a commuting trip is d + 15 where d is the normal driving time and 15 is the number of minutes added to allow for delays. Find the total commuting time when the normal driving time is 49 minutes.
A. 98 min B. 49 min C. 64 min D. 34 min
Mathematics
Simplify.
3 - 
3
A. - 
B. - 
C. 
D. - 7
Mathematics
Solve the problem.Determine a polynomial that represents the area of a square having sides of length 
A. 64x2 - 72xy + 81y2 B. 64x2 + 144xy - 81y2 C. 64x2 - 144xy + 81y2 D. 64x2 - 144x + 81y
Mathematics
Solve.3x + 2y + z = -174x - 5y - z = 252x + y + 2z = -15
A. (-1, -5, -4) B. (-4, -1, -5) C. (-1, -4, -5) D. (-4, -5, -1)
Mathematics