If the sequence is geometric, find the common ratio r. If the sequence is not geometric, say so.3, 9, 27, 81, 243
A. 3
B. 9
C. 
D. Not geometric
Answer: A
Mathematics
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Add like terms, if possible, and write the result in descending powers of the variable.-5y4 - 3y3
A. -8y3 B. -8y4 C. -8y7 D. Cannot be simplified
Mathematics
Provide an appropriate response.Consider the selections of seven apples from a barrel of 75 apples. Is this a combination, a permutation, or neither?
A. Permutation B. Combination C. Neither
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = 
, 
< ? < ?Find cos(2?).
A. - 
B. 
C. 
D. - 
Mathematics
Find the quotient.-168 ÷ (-8)
A. -21
B. 21
C. 11
D. 
Mathematics