Determine whether the given set is finite or infinite. Consider the set N of positive integers to be the universal set, and let A = {n ? N| n > 50} B = {n ? N| n < 250} O = {n ? N| n is odd} E = {n ? N| n is even}B ? E
A. infinite
B. finite
Answer: A
Mathematics
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Evaluate.150 - 40
A. 2 B. 11 C. 0 D. 1
Mathematics
Write the fraction in lowest terms. Use the method of dividing by a common factor.
A. 
B. 
C. 
D. 
Mathematics
Find the indicated sum. Find the sum of the first 12 terms of the geometric sequence: 
, - 
, 
, - 
, 
, . . .
A. - 
B. - 
C. - 194
D. - 195
Mathematics
Find the nth term and the indicated term of the arithmetic sequence whose initial term, a, and common difference, d, are given.a = 7; d = -7an = ?; a13 = ?
A. an = 14 + 7n; a13 = -77 B. an = 14 - 7n; a13 = -77 C. an = 7 - 7n; a13 = -77 D. an = 14 - 7n; a13 = -28
Mathematics