Write a formula for the nth term of the arithmetic sequence. Do not use a recursion formula.0.28, 0.36, 0.44, 0.52, 0.6, . . .
A. an = 0.16n + 0.2
B. an = 0.08n + 0.2
C. an = 0.28 + 0.08n
D. an = 0.16n + 0.4
Answer: B
Mathematics
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Write the fraction in lowest terms.- 
A. - 
B. - 
C. - 
D. - 
Mathematics
Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
A. x - 6, x ? 6
B. 
, x ? 6
C. 
, x ? -6
D. x + 6, x ? 6
Mathematics
When possible, apply the distributive law and combine like terms.7x + 8 + 5x - x + 5
A. 13x + 13 B. 11x + 13 C. 12x + 13 D. 12x - 13
Mathematics
Solve the system by the method of substitution.
A. 
B. 
C. 
D. 
E. no solution exists
Mathematics