Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.8th term is 28; 13th term is -2
A. a1 = 76, d = -6, an = an-1 - 6
B. a1 = 70, d = -6, an = an-1 - 6
C. a1 = 76, d = 6, an = an-1 + 6
D. a1 = 70, d = 6, an = an-1 + 6
Answer: B
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+ 
= 1
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Graph the set of real numbers on a number line.{x|0 < x < 4}
A. 
B. 
C. 
D. 
Find the least common denominator for the given set of denominators.7, 14, 28, 49
A. 196 B. 49 C. 147 D. 392
Solve.Mike works on commission selling electronic equipment. The linear function 
describes his annual income I when his total sales for the year are s. At what level of sales will Mike's income be $34,500?
A. $5,600,000 B. $560,000 C. $56,000 D. $568,000