Solve the problem.A lot is in the shape of a right triangle. The shorter leg measures 150 meters. The hypotenuse is 50 meters longer than the length of the longer leg. How long is the longer leg?
A. 250 m
B. 150 m
C. 200 m
D. 300 m
Answer: C
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Find the centroid of the region.
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A tire has a leak and is losing air. The air pressure, in pounds per square inch, after t minutes is given by 
. Assuming the leak is not repaired, what is the limiting value of ?A?
What will be an ideal response?
Use the guidelines to evaluate the study. Discuss flaws that you see in the study. An educational researcher wishes to compare the effectiveness of two different math textbooks. She has the tenth graders at one school use the first book for one year and the tenth graders at another school use the second textbook for one year. At the end of the year, she gives the same math test to both classes and compares the results.
What will be an ideal response?
Solve the problem.Find 
, where u is a function of x.
A. 
B. 
C. 
D. 
