Simplify the radical expression. Indicate if the expression is not a real number.
A. -19
B. 19
C. Not a real number
D. 180
Answer: C
Mathematics
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Solve.Calculate the gallons of water needed to fill this swimming pool. Round to the nearest gallon.
Fill in the blank(s) with the appropriate word(s).
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Use the quadratic formula to solve the equation.x2 - x = 20
A. 1, 20 B. -4, -5 C. -4, 5 D. 4, 5
Mathematics
Plot the given point in a rectangular coordinate system.(-5, -3)
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation. Round the result to the nearest thousandth if necessary.-48.35 - 3.21
A. -45.14 B. 45.14 C. -51.56 D. -50.56
Mathematics