Simplify the expression by combining like terms.2x - 7x - x
A. -6x
B. -4x
C. -5x - x
D. -5x
Answer: A
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Solve the problem.During a seven game playoff series, Kobe averaged 30 points per game. He scored 25 points in the first 4 games and 35 points in the next 2 games. How many points did he score in game 7?
A. 30 B. 40 C. 45 D. 35 E. none of these
Solve.A company has 63,000 employees. Of these, 
drive alone to work, 
car pool, 
use public transportation, 
cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?
A. Drive alone: 2,100; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
B. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
C. Drive alone: 21,100; car pool: 10,500; public transportation: 8,900; cycle: 7,000; other: 1000
D. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
A. 3.47 B. 3.87 C. -45 D. 2.47
Find the area of the shaded region.
A. 129 ft2 B. 123 ft2 C. 45 ft2 D. 126 ft2