Match the system of inequalities with a graph.y ? x - 7,y ? x
A. 
B. 
C. 
D. 
Answer: D
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Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Find the LCD. Build up the fractions to equivalent fractions having the LCD as the denominator.
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
D. 
, 
, 
Tom is leading a workshop for 15 people. He wants each person to meet every other person (shake hands once). How many handshakes occur? ?
A. 213 B. 105 C. 98 D. 210 E. 108
Solve the problem.A fire truck is en route to an address that is 6 blocks east and 11 blocks south of the fire station. Using the fire station as the pole and the east direction as the polar axis, express the fire truck's destination in polar coordinates. Round the coordinates to the nearest hundredth. Express ? in degrees.
A. (4.12, -28.61°) B. (12.53, -61.39°) C. (12.53, -28.61°) D. (4.12, -61.39°)