_ 1. what is the next term in the pattern 2, a, 4, b, 6, c, _?
a. 6 b. 8 c. 10 d. 12

_ 2. what is the next term in the sequence 8, 27, 64, 125, ...?
a. 215 b. 216 c. 217 d. 218

_ 3. if the pattern continues, what is the next number in the sequence 2, 8, 32, 128, _?
a. 242 b. 302 c. 428 d. 512

_ 4. what is the common difference of an arithmetic sequence with as= 27 and a12= 55?
a. 2 b. 4 c. 7 d. 8

_ 5. what is the 7th term of arithmetic sequence, -5, -1, 3, ...?
a. 19 b. 21 c. 23 d. 27



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