Solve the problem.In a geometric sequence, find the first term if the 13th term is 512 and the ratio is 
.
A. 8
B. 4
C. 8
D. 4
Answer: C
Mathematics
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Provide an appropriate response.
Find a polynomial for the shaded area.
A. ab + ac B. a2 + ab + bc + ac C. ab + bc D. a2 + bc
Mathematics
Solve the problem.The quotient of a number and 2.6 is -16.6. Find the number.
A. -14 B. -43.16 C. -19.2 D. -19.3
Mathematics
Write an equation for the graph.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the equation. Express radicals in simplest form.
+ x + 
= 0
A. {-16 + 
}
B. {8 ± 
}
C. {8 + 
}
D. {-8 ± 
}
Mathematics