Find the indicated root, or state that the expression is not a real number.
A. -4
B. 4
C. not a real number
D. -16
Answer: C
Mathematics
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Simplify the algebraic expression.6(2x - 3) - 4(x - 2)
A. 8x - 26 B. -12x - 10 C. 8x - 5 D. 8x - 10
Mathematics
Solve the problem.A boy is flying a kite and attaches the end of the string to a stake in the ground. How long is the string if the kite is 12 meters above the ground and the angle of elevation from the ground to the kite is 
Round your answer to the nearest meter.
A. 22 m B. 7 m C. 18 m D. 14 m
Mathematics
Approximate the sum to the indicated accuracy.  FIGURE 1.png)
(five decimal places)
What will be an ideal response?
Mathematics
Simplify the expression by combining like terms.
z + 8x - 13z + 15
A. 8x - 17z + 15
B. 8x + 17z + 15
C. 
x - 17z + 15
D. 
x + 17z + 15
Mathematics