Find the indicated term of the geometric sequence.a8 when a1 = 7,000,000 and r = 0.1.
A. 0.07
B. 7
C. 0.007
D. 0.7
Answer: D
Mathematics
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Find the opposite of the number.- 
A. 
B. - 
C. - 
D. 
Mathematics
Solve the equation.|2x2 - x - 1|= 3
A. {
, - 
}
B. {- 
, - 
}
C. {
, 
}
D. no solution
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A. x + 3 B. x - 2 C. x - 3 D. x + 2
Mathematics
Write the expression as one logarithm.log5 8 + log5 8
A. log10 64 B. log5 16 C. log10 16 D. log5 64
Mathematics