Find the indicated value.Let f(x) = 3x. f-1(81)
A. 
B. 4
C. 3
D. 
Answer: B
Mathematics
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Add. Write the answer in lowest terms.
A. 9
B. 9
C. 4
D. 8
Mathematics
Use Cramer's rule to solve the system or to determine that the system is inconsistent or contains dependent equations.
A. {(18, 9)} B. {(16, 18)} C. inconsistent; no solution or ? D. dependent equations; infinitely many solutions
Mathematics
Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?
A. $1.00 B. $0.75 C. $1.75 D. $50
Mathematics
Place the correct symbol, < or >, between the two numbers. 5/8 ? 4/5
A) > B) <
Mathematics