Simplify the radical expression. Assume all variables represent positive real numbers.
A. 64
B. 
C. 8
D. 
Answer: D
Mathematics
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Convert the length as indicated. Round the answer to one decimal place.53 meters to feet (meters ? centimeters ? inches ? feet)
A. 48.6 ft B. 16.2 ft C. 57.8 ft D. 173.8 ft
Mathematics
Find the slope of the line. 
A. -5 B. -1 C. 5 D. 1
Mathematics
For the circle (x -1)2 + (y + 1)2 = 1
(a) The center is (-1, 1). (b) (0, 2) is a point on the circle. (c) The diameter of the circle is 3. (d) The x-axis is tangent to the circle. (e) The y-axis is a secant line for the circle.
Mathematics
Solve the system of equations. If the system has no solution, say that it is inconsistent.
A. x = 0, y = 0; (0, 0) B. x = 0, y = -12; (0, -12) C. x = -8, y = -4; (-8, -4) D. inconsistent
Mathematics