Find the whole.73 books is 0.85% of what number of books?
A. 1.2 books
B. 85,880 books
C. 120 books
D. 8588 books
Answer: D
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Solve the problem.In an essay contest, a teacher finds that seven students have written excellent essays. Three of these students are Alicia, Pat, and David. If the teacher chooses the first place winner, second place winner, and third place winner at random from these seven students, what is the probability that Alicia will win first prize, Pat will win second prize, and David will win third prize?
A. 
B. 
C. 
D. 
Find the general term of the arithmetic sequence.6.1, 6.8, 7.5, 8.2, 8.9, . . .
A. an = 0.7n + 6.1 B. an = 0.7n + 5.4 C. an = 0.7n + 5.2 D. an = 0.6n + 5.4
Solve the problem.The half-life of carbon-14 is 5700 years. Find the age of a sample in which 8% of the radioactive nuclei originally present have decayed.
Fill in the blank(s) with the appropriate word(s).
Set up the linear programming problem.Mrs. White wants to crochet hats and afghans for a church fundraising bazaar. She needs 7 hours to make a hat and 2 hours to make an afghan, and she has no more than 56 hours available. She has material for no more than 13 items, and she wants to make at least two afghans. Let x = the number of hats she makes and y = the number of afghans she makes. Write a system of inequalities that describes these constraints.
A. 7x + 2y ? 56 x + y ? 13 x ? 2 B. 7x + 2y ? 56 x + y ? 13 y ? 2 C. 2x + 7y ? 56 x + y ? 13 x ? 2 D. 7x + 2y ? 56 x + y ? 13 y ? 2