Simplify.(-49 ÷ 7) - (9 ÷ 9)
A. 6
B. -8
C. -7
D. 7
Answer: B
Mathematics
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The table lists some input-output pairs for an exponential function f. Use the table to find the requested value.Find f(3). 
A. 8 B. 3 C. 6 D. 2
Mathematics
Find the LCM for the pair of natural numbers.168, 378
A. 3024 B. 42 C. 4536 D. 1512
Mathematics
Find the mean. Round to the nearest tenth when necessary.The numbers of tickets sold in the five days preceding the play were as follows: 71, 48, 71, 98, 48
A. Mean = 67.2 tickets B. Mean = 84 tickets C. Mean = 66.7 tickets D. Mean = 67.7 tickets
Mathematics
Find the volume of the indicated region.The region bounded by the cylinders 
and the planes 
A. 308? B. 77? C. 231? D. 154?
Mathematics