Write the augmented matrix associated with the system.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the system of inequalities.x + 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A long strip of sheet metal 12 inches wide is to be made into a small trough by turning up two sides at right angles to the base. If the trough is to have maximum capacity, how many inches should be turned up on each side?
A. 3 inches B. 4 inches C. 4 inches on one side, 5 inches on the other D. 6 inches
Mathematics
Evaluate the expression for the given values of the variables, if possible.
a = -35, b = -5
A. 7 B. -7 C. -8 D. -6
Mathematics
Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics