Provide an appropriate response.Solve, checking for extraneous roots: 
- 2 = 
A. x = 
, x = 1
B. x = 
C. x = -2
D. x = -2, x = 
Answer: B
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?Which of the following is not true about combinations?
A. ?"n objects taken r at a time". B. ?Order matters. C. ?Order does not matter. D. ?The number of five card hands in a standard deck of cards uses combinations. E. ?The number of ways you can arrange select4 people, out of a pool of 20 people, to serve on a committee uses combination.
Find the limit.
2x8 - 15x5
A. 0 B. ? C. -13 D. -?
Solve the problem. Use 3.14 for ? and round to the nearest tenth.A rubber ice-hockey puck has a diameter of 3.0 inches. What is the area of its surface?
A. 28.3 in.2 B. 9.4 in.2 C. 7.1 in.2 D. 3.5 in.2
Write the augmented matrix for the system. 2x + 3y + 2z = 6 7x + 8y - 2z = -37 3x + 4y + 9z = 52
A. 
B. 
C. 
D. 