Solve.2x2 = 121
A. ± 
B. ± 
C. ± 
D. 
Answer: C
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Work the application and answer with a complete sentence.An employee was paid $49,170 during the first half of last year. During the second half, she was paid $59,321. How much more was her income during the second half?
A. The employee's income was $10,151 more during the second half of last year. B. The employee's income was $108,491 more during the second half of last year. C. The employee's income was $10,050 more during the second half of last year. D. The employee's income was $108,390 more during the second half of last year.
Set up the linear programming problem.The liquid portion of a diet is to provide at least 300 calories, 36 units of vitamin A, and 90 units of vitamin C daily. A cup of dietary drink X provides 60 calories, 12 units of vitamin A, and 10 units of vitamin C. A cup of dietary drink Y provides 60 calories, 6 units of vitamin A, and 30 units of vitamin C. Set up a system of linear inequalities that describes the minimum daily requirements for calories and vitamins. Let 
of cups of dietary drink X, and y = number of cups of dietary drink Y. Write all the constraints as a system of linear inequalities.
A. 
B. 
C. 
D. 
Solve.A layer of paint on a piece of wood has a thickness of 
inch. The thickness of the piece of wood is 
inch. What is the total thickness of the wood and the paint?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Find the probability.A bag contains 5 red marbles, 3 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue?
A. 
B. 
C. 
D. 6