Use the vectors u, v, and w in the accompanying figure to graph the vector. 
z - v
A. 
B. 
C. 
D. 
Answer: B
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Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.A company increased the number of its employees from 560 to 625. What was the percent increase in employees?
A. 10.4% B. 52.7% C. 11.6% D. 89.6%
Factor completely. If a polynomial cannot be factored, say it is prime.6x2 - 15x - 4x + 10
A. (6x - 2)(x - 5) B. (6x + 2)(x + 5) C. (3x - 2)(2x - 5) D. (3x + 2)(2x + 5)
Solve the problem.The expression 0.60(226 - a - r) + r is used to obtain the target heart rate for a cardiovascular workout for a nonathletic female with age a and resting heart rate r. The accompanying table shows the target heart rate for a 19-year-old nonathletic female for various resting heart rates. Find the missing entries. 
A. 155; 157.4 B. 154.6; 158.6 C. 153.8; 156.6 D. 154.2; 158.2
Solve the equation.r(r - 18) = -81
A. {9, -9} B. {81, 9} C. {-9} D. {9}