Solve the equation.
= 81
A. 729
B. 6561
C. 262,144
D. 9
Answer: B
Mathematics
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Perform the indicated operations.
? 
÷ 
A. 
B. 1
C. 
D. 
Mathematics
Solve for the specified variable.S(1 - r) = a, for r
A. r = S - a
B. 
C. r = 
- 1
D. r = 
Mathematics
Given f(x) and g(x), find the sum or difference as indicated.If f(x) = 12
and g(x) = 3x
, find f(x) - g(x).
A. 9
B. 9x
C. 15
D. 9x
Mathematics
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How tall is the skyscraper? 2 feet
A. Unreasonable, should be 0.20 feet B. Unreasonable, should be 200 feet C. Reasonable D. Unreasonable, should be 20 feet
Mathematics