Find the whole.4
% of what number of memos is 92 memos?
A. 4 memos
B. 2044 memos
C. 20,440 memos
D. 204 memos
Answer: B
Mathematics
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Find the nth term of the arithmetic sequence with the given values.a1 = -c, d = -3c, n = 28
A. -82c B. -84c C. 80c D. -85c
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 2% per 100 years. If t represents time in years and y represents the amount of the isotope left then the equation for the situation is 
In how many years will there be 92% of the isotope left?
A. 251 years B. 800 years C. 417 years D. 400 years
Mathematics
Multiply.
A. 13,190 B. 13,196 C. 13,210 D. 13,200
Mathematics
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 1
D. 
Mathematics