Fill in the blank with one of the words or phrases listed below. 
A(n) 
is a sequence in which each term (after the first) differs from the preceeding term by a constant amount d. The constant d is called the 
of the sequence
A. arithmetic sequence, common difference
B. geometric sequence, common difference
C. arithmetic sequence, common ratio
D. geometric sequence, common ratio
Answer: A
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Tell which set or sets the number belongs to: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers.- 
A. rational, real B. integers, real C. irrational, real D. real
Add.(5a5b3 + 9a3b2 + 12ab) + (2a5b3 + 6a3b + 4ab)
A. 7a5b3 + 15a3b2 + 16ab B. 7a5b3 + 15a3b + 16ab C. 7a5b3 + 9a3b2 + 6a3b + 16ab D. 15a6b3 + 7a5b3 + 16ab
Solve the problem.Jim has gotten scores of 84 and 78 on his first two tests. What score must he get on his third test to keep an average of 75 or better?
A. at least 63 B. at least 61 C. at least 79 D. at least 81
Solve. 3x + 2 = 2x + 1
A) x = 4 B) x = -4 C) x = -3 D) x = -1 E) x = 1