Express the radical in simplified form.
A. 4
B. 2 + 
C. Not a real number
D. 2
Answer: D
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Solve the problem.A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 8 slices of pizza and 4 soft drinks for $29.04. The second group bought 5 slices of pizza and 4 soft drinks for $20.40. How much does one slice of pizza cost?
A. $2.88 per slice of pizza B. $2.00 per slice of pizza C. $1.50 per slice of pizza D. $2.38 per slice of pizza
Solve. Round to the nearest thousandth, if necessary.93 - x = 17
A. {1.111} B. {-1.111} C. {3.776} D. {1.711}
Subtract.(-10y2 + 2) - (-y3 + 6y2 + 9)
A. -9y3 + 8y2 - 9 B. y3 - 4y2 + 11 C. -9y3 + 6y2 - 7 D. y3 - 16y2 - 7
Solve the system by substitution or elimination. If a system is inconsistent or has dependent equations, say so.3x + 5y + z = 264x - 5y - z = -53x + y + 5z = 22
A. {(3, 3, 2)} B. {(3, 2, 3)} C. ?; inconsistent system D. {(2, 3, 3)}