Determine whether the sequence is arithmetic. If so, find the common difference.
?
7, 
, 6, 
, 5, ...
?
A. Arithmetic sequence, d = -1
B. Arithmetic sequence, 
C. Arithmetic sequence, 
D. Arithmetic sequence, d = -2
E. Not an arithmetic sequence
Answer: C
Mathematics
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Solve.Mary and her brother John collect foreign coins. Mary has twice the number of coins that John has. Together they have 105 foreign coins. Find how many coins Mary has.
A. 70 coins B. 35 coins C. 63 coins D. 14 coins
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Provide an appropriate response.Name the segment from D to E on the following line. 
What will be an ideal response?
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Determine the equation of variation.
A. y = 
B. y = 1.6 + x
C. y = 1.6x
D. y = 3.6x
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One solution of a polynomial equation is given. Use synthetic division to find any remaining solutions.-2x3 - 4x2 + 2x + 4 = 0; 1
A. 1, 2 B. -1, 2 C. 1, -2 D. -1, -2
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