Perform the indicated operation.-38 + 16
A. -22
B. 54
C. 22
D. -54
Answer: A
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Find the mean, median, and mode. Round to the nearest tenth when necessary.Given these board lengths: 2, 4, 5, 13, 14
A. 6, 5, none B. 7.6, 5, none C. 6.6, 5, 5 D. 7.6, 5, 4
Multiply and simplify.18 
A. 
B. -162
C. -2
D. 2
Solve the problem.A national study of collegiate beer drinkers revealed the following facts:(I) Among current beer drinkers, 30% prefer one of the "light" beers and 70% prefer "regular" beer.(II) In any given year, 20% of the "light" drinkers switch to "regular," and 25% of the "regular" drinkers switch to "light."(a) Write the initial distribution matrix. (Label the matrix using L for "light" and R for "regular.")(b) Write the transition matrix for the study. (Label columns and rows using L for "light" and R for "regular.")(c) In the long run what proportion of collegiate beer drinkers drink "light"?
What will be an ideal response?
Solve the problem.If a roll of wallpaper costs $40, how much will 12 rolls cost?
A. $53 B. $52 C. $480 D. $481