Solve the problem.A merchant has coffee worth $6 a pound that she wishes to mix with 50 pounds of coffee worth 
a pound to get a mixture that can be sold for 
a pound. How many pounds of the $6 coffee should be used?
A. 250 lb
B. 100 lb
C. 200 lb
D. 125 lb
Answer: C
Mathematics
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Evaluate.
÷ 
? 
A. 
B. 
C. 
D. 
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Solve.In the table, x is directly proportional to y. Find the undetermined value.
A. -8.5 B. 81.6 C. -81.6 D. 8.5
Mathematics
Write the equation of the graph after the indicated transformation(s). The graph of y = 
is reflected across the y-axis. This graph is then vertically stretched by a factor of 1.1. Finally, the graph is shifted 10 units downward.
A. y = 10
- 1.1
B. y = 1.1
- 10
C. y = -1.1
- 10
D. y = 1.1
+ 10
Mathematics
Evaluate the integral.
A. 46 B. 14.67 C. 14.93 D. 15.07
Mathematics