Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. 5.3
B. 30
C. 0.19
D. 3
Answer: D
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Solve the problem.Consider the graph below, which gives the velocity of an object moving along a line. Assume time is measured in hours and distance is measured in miles. The areas of the three regions bounded by the velocity curve and the t-axis are also given. 
(a) What is the displacement of the object over the interval [0, 6]?(b) What is the total distance traveled by the object over the interval [2, 6]?
A. (a) 41 miles (b) 34 miles B. (a) 27 miles (b) 21 miles C. (a) 13 miles (b) 6 miles D. (a) 13 miles (b) 34 miles
Use this graph to answer the question.Big "D" Sales for Year 1, Year 2 
MonthWhat were the total sales for the first 6 months of Year 1?
A. $46,000 B. $366,000 C. $290,000 D. $240,000
Choose the equation that matches the graph.
A. 
- 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
- 
= 1
Graph the pair of parametric equations with the aid of a graphing calculator.x = cos t + 4 cos 3t, y = 5 cos t - 4 sin 3t, 0 ? t ? 2?
A. 
B. 
C. 
D. 