Multiply and simplify.
A. 25
B. -15
C. -25
D. 15
Answer: D
Mathematics
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Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 4
B. 1
C. 2
D. 
Mathematics
Obtain an equivalent system by performing the stated elementary operation on the system.Interchange equations 1 and 3.5x + 2y + z = -183x - 2y - z = 23x + 4z = -3
A. 3x + 4z = -3 3x - 2y - z = 2 5x + 2y + z = -18 B. 3x - 2y - z = 2 5x + 2y + z = -18 3x + 4z = -3 C. x + 2y + 5z = -18 3x - 2y - z = 2 3x + 4z = -3 D. 3x + 4z = -3 5x + 2y + z = -18 3x - 2y - z = 2
Mathematics
Write the improper fraction as a mixed or whole number.
A. 20
B. 16
C. 20
D. 20
Mathematics
Graph the compound inequality.2x + y < 6 or 3x - 2y > 5
A. 
B. 
C. 
D. 
Mathematics