Graph the set of real numbers on a number line.{x|x ? 0}
A. 
B. 
C. 
D. 
Answer: D
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Solve the logarithmic equation.log (3 + x) - log (x - 5) = log 5
A. 
B. - 7
C. ?
D. 7
Solve the problem.A small frictionless cart, attached to the wall by a spring, is pulled 10 cm back from its rest position and released at time t = 0 to roll back and forth for 4 sec. Its position at time t is 
. What is the cart's maximum speed? When is the cart moving that fast? What is the magnitude of of the acceleration then?
A. 10? ? 31.42 cm/sec; t = 0.5 sec, 1.5 sec, 2.5 sec, 3.5 sec; acceleration is 0 cm/sec2 B. 10? ? 31.42 cm/sec; t = 0.5 sec, 2.5 sec; acceleration is 1 cm/sec2 C. 10? ? 31.42 cm/sec; t = 0 sec, 1 sec, 2 sec, 3 sec; acceleration is 0 cm/sec2 D. ? ? 3.14 cm/sec; t = 0.5 sec, 1.5 sec, 2.5 sec, 3.5 sec; acceleration is 0 cm/sec2
Complete the square to write the equation in the form 
+ 
= 1 or 
+ 
= 1.25x2 + 9y2 + 50x - 36y - 164 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Use the properties of parallel lines to solve the problem.In the figure, 
. Identify all pairs of congruent angles.
A. ?ABC and ?FCD, ?ABE and ?BCD B. ?ABE and ?ABC, ?FCD and ?BCD C. ?ABE and ?FCD, ?ABC and ?BCD D. ?ABE and ?FCD