Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log2 
A. 3log22 - 
log2(x - 1)
B. 3 - 
log2(x - 1)
C. log28 - log2
D. 3 - log2
Answer: B
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Solve.For a cross-section of pipe with an inside diameter of 4 inches, how much additional material is needed to make the pipe 
inch thick than to make it 
inch thick? Round to the nearest thousandth.
Fill in the blank(s) with the appropriate word(s).
Solve the problem. Round the answer to the nearest tenth, if necessary.A long-distance runner runs 4 miles south and then 7 miles east. How far is the runner from the starting point?
A. 5.5 mi B. 8.1 mi C. 4.05 mi D. 32.5 mi
Solve the problem.A and B are events in a sample space S such that 
and 
Are events A and B independent?
A. Yes B. No C. Not enough information
Solve the problem.Students in a math class receive a B if the average of their four test scores is between 75 and 85. Raul scored 71, 82, and 88 on the first three tests. Within what range must his score on the fourth test lie if he is to get a B?
A. 
B. 
C. 
D. 