Simplify the radical. Indicate if the radical is not a real number. Assume that x represents a positive real number.
A. 3
B. 4
C. ±2
D. 2
Answer: D
Mathematics
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Add. 9 + (-16) + 8 + (-13) + 9 + (-13)
A. -68 B. 0 C. -16 D. -32
Mathematics
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.95x + 3.07 B. y = 0.75x + 4.07 C. y = 0.75x + 5.07 D. y = 0.85x + 3.07
Mathematics
Graph the system of inequalities.2x + y ? 4y - 1 < 0
A. 
B. 
C. 
D. 
Mathematics
Find an equation for the line. Write the equation in standard form.Through (10, 6) and (5, -2)
A. -4x - 7y = -34 B. 8x + 5y = -50 C. -8x + 5y = -50 D. 4x + 7y = -34
Mathematics