Rank the data from lowest to highest and determine the requested quartile.The following scores on the midterm exam in a math class were recorded.
Find the 1st quartile, Q1.
A. 70.5
B. 70
C. 69.5
D. 71
Answer: D
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Solve the problem.The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a screen 5 feet from a light is 4 foot candles, find the intensity on a screen 20 feet from the light.
A. 
foot-candles
B. 1
foot-candles
C. 
foot-candles
D. 2 foot-candles
Use a sum or difference identity to find the exact value.sin 
A. 
B. 
C. 
D. 
Find the area of the shaded region. (Assume that given measurements are exact, and round approximate answers to the nearest tenth of a square unit.)
?
?
__________ dm2
Fill in the blank(s) with the appropriate word(s).
Solve the problem.The following data set gives the average home value, in dollars, for a city at 5-year intervals.
In which 5-year period did average home value change the most?
A. 1985-1990 B. 2000-2005 C. 1990-1995 D. 1995-2000