Solve the system by substitution.y = x2 - 6x + 9x + y = 3
A. (2, 1), (3, 0)
B. (-2, 5), (-3, 6)
C. (2, 5), (3, 0)
D. (3, 0)
Answer: A
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that is closest to the origin.
A. 
B. 
C. 
D. 
Solve the problem.To train for a race, Will begins by jogging 10 minutes one day per week. He increases his jogging time by 5 minutes each week. Write the general term of this arithmetic sequence, and find how many weeks it takes for him to reach a jogging time of one hour.
A. an = 5 + 5n; 10 weeks B. an = 5 + 5n; 11 weeks C. an = 10 + 5n; 11 weeks D. an = 10 + 5n; 10 weeks
A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting the given result.Exactly five twos
A. .921 B. .003 C. .129 D. .083
Simplify the expression. If any variables are present, assume that they are positive.
A. 
B. 
C. 3
D. 