Solve the equation.log9 (x2 - 8x) = 1
A. {9, -1}
B. {9}
C. {-9, 1}
D. {1}
Answer: A
Mathematics
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 29,400,000,000,000 B. 600,000 C. 29,400,000 D. 600,000,000,000
Mathematics
Use special right triangles to evaluate the expression.cot 30°
A. 
B. 1
C. 
D. 
Mathematics
Solve.Two 6-sided dice are rolled. What is the probability that the sum of the two numbers on the dice will be 4?
A. 
B. 
C. 3
D. 
Mathematics
Solve the problem.Stevie bought a stereo for $275 and put it on sale at his store at a 50% (or 0.50) markup rate. What was the retail price of the stereo?
A. $550.00 B. $312.50 C. $375.00 D. $412.50
Mathematics