Estimate by rounding as directed. 2.06 + 0.013 + 0.197; nearest one
A. 3
B. 2.3
C. 2
D. 2.27
Answer: C
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Use the data set {d1, d2, d3, ..., d256} consisting of 256 numbers to answer the following question(s).After sorting the data set (in increasing order from left to right), the 10th percentile is the number
A. the number in the 26th position. B. the average of the numbers in the 25th and 26th positions. C. the number in the 25th position. D. the number in the 10th position. E. none of these
Solve the equation using the quadratic formula.4x2 = -12x - 4
A. 
B. 
C. 
D. 
Solve the problem.John owns a hot dog stand. He has found that his profit is given by the equation 
where x is the number of hot dogs sold. How many hot dogs must he sell to earn the most profit?
A. 23 hot dogs B. 47 hot dogs C. 36 hot dogs D. 35 hot dogs
Solve the problem.Suppose that the demand function for x units of a certain item is 
where p is the price per unit, in dollars. Find the marginal revenue.
A. 
= 100 + 
B. 
= 100 + 
C. 
= 
D. 
= 