Evaluate the expression. Write your answer without exponents.(-5)-2
A. 
B. 25
C. 
D. -25
Answer: A
Mathematics
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Perform the indicated multiplication.-3(-4)(-6)
A. 28 B. 72 C. -72 D. -82
Mathematics
Find the probability of the event. If a single die is tossed once, find the probability of the following event.A 2
A. 0
B. 
C. 2
D. 
Mathematics
Determine the order of the matrix.
A. 3 × 1 B. 3 C. 1 D. 1 × 3
Mathematics
Use matrices to solve the system of equations (if possible). Use Gaussian elimination with back-substitution or Gauss-Jordan elimination.
A. x = -3, y = -4 B. x = 4, y = 3 C. x = -4, y = -3 D. x = -3, y = 4 E. no solution
Mathematics