Determine whether the sequence is arithmetic. If the sequence is arithmetic, determine the first term a and common difference d.2, -1, -4, -7, -10, . . .
A. Arithmetic; a = 2, d = -3
B. Not arithmetic
Answer: A
Mathematics
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Perform the indicated operation.4 - 14
A. -18 B. 18 C. 10 D. -10
Mathematics
Add.7302 + 862 + 9
A. 8273 B. 8183 C. 8158 D. 8173
Mathematics
Determine whether the graph shown is the graph of a polynomial function.
A. polynomial function B. not a polynomial function
Mathematics
Solve the system by the substitution or the addition method.
A. 
B. (-2, 11)
C. (-1, -1)
D. (1, -1)
Mathematics