Find the area of the geometric figure.
A. 30 sq km
B. 22.5 sq km
C. 15 sq km
D. 12 sq km
Answer: C
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Write the decimal as a fraction or mixed number in lowest terms.2.8
A. 
B. 2
C. 1
D. 
Solve the problem.Newton's Law of Cooling states that the rate of change of temperature of an object is proportional to the difference in temperature between the object and the surrounding medium. Thus, if T is the temperature of the object after t hours and T0 is the (constant) temperature of the surrounding medium, then
where k is a constant. A dish of lasagna baked at 400°F is taken out of the oven into a kitchen that is 74°F. After 8 minutes, the temperature of the lasagna is 320.4°F. What will its temperature be 11 minutes after it was taken out of the oven? Round your answer to the nearest degree.
A. 305°F B. 296°F C. 280°F D. 289°F
Simplify.ln e1/5
A. 5e
B. 
e
C. 
D. 5
The following graph shows the monthly sales for Big "D" Sales during 2000 and 2001. Use the graph to solve the problem.
What were the total sales for the first six months of 2000?
A. $366,000 B. $46,000 C. $240,000 D. $290,000