Solve the problem.Mrs. Montoya installed 
-inch roofing shingles on top of a 
-inch vapor barrier. What was the combined thickness of the two materials?
A. 
inch
B. 
inch
C. 
inch
D. 
inch
Answer: D
Mathematics
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Find the square root.
A. 4
B. 16
C. 256
D. 
Mathematics
Solve the problem.The following data represents the Olympic winning time in Women's 100 m Freestyle. 
Using the line of best fit (with slope correct to 5 decimal places) for the data set, predict the Olympic winning time in 2000.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Rationalize the denominator. 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.What is the range of the cosine function?
A. all real numbers B. all real numbers greater than or equal to 0 C. all real numbers greater than or equal to 1 or less than or equal to -1 D. all real numbers from -1 to 1, inclusive
Mathematics