Determine the probability using a probability tree.A bag contains 2 red and 7 yellow marbles. Two marbles are drawn without replacement. Determine the probability at least one yellow is drawn.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem. If the answer is an amount of money, round to the nearest dollar.Oscar and Paula went on a 30-mile canoe trip with their class. On the first day they traveled 15 miles. What percent of the total distance did they canoe?
A. 0.5% B. 200% C. 50% D. 2%
Solve.The length ? of a metal rod used in manufacturing cars must not differ from the standard s by more than 0.7 inches. The manufacturing engineers express this as 
If the standard s is 20.7, solve the inequality for the length ?. Express the answer in set-builder notation.
A. { ? 
}
B. { ? 
}
C. { ? 
}
D. { ? 
}
Solve the problem. Write all linear equations in slope-intercept form.Suppose that a sales person observes that if an item is priced at $10 per item then 4 items are sold. If 2 items are sold for $12 per item then find a linear equation to model the number y of items sold for x dollars per item. Find the slope-intercept form of the equation of the line.
A. y = -x + 14 B. y = -x - 6 C. y = x - 6 D. y = x + 14
Provide an appropriate response.Simplify: 
Fill in the blank(s) with the appropriate word(s).