Solve the problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 22 minutes requires 4.4 gallons of water. Find the amount of water used in a shower lasting 4 minutes.
A. 0.8 gallons
B. 1.1 gallons
C. 20 gallons
D. 24.2 gallons
Answer: A
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The stack plot below shows the value of each of Danny's investments. The stack plot contains three regions. The uppermost unshaded region represents the value of Danny's investment in individual stocks. The center shaded region represents the value of Danny's investment in mutual funds and the bottom region in black represents the value of Danny's investment in a CD. The thickness of a region at a particular time tells you its value at that time. 
Use the graph to answer the question.In which year was the value of Danny's investment in individual stocks the highest?
A. year 0 B. year 8 C. year 4 D. year 5
Evaluate the definite integral.
A. 2
- 6
B. - 2
+ 6
C. 
- 3
D. 
- 
Provide an appropriate response.Find the median of 5, 30, 24, 27, 12, 21, 10, 12, 18.
A. 18 B. 25 C. 12 D. none of the above
Establish the identity.(sin x)(tan x cos x - cot x cos x) = 1 - 2 cos 2 x
What will be an ideal response?