Multiply.(3n9 + 2)(3n9 - 2)
A. 9n18 + 4
B. 9n18 - 4
C. 9n18 - 6n9 - 4
D. 3n18 - 4
Answer: B
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A meat slicer is designed to make slices that are 0.02 inches thick. If a sausage is 20 inches long, how many slices will result?
A. 1,001 B. 996 C. 998 D. 1,005 E. 1,000
Let p represent a true statement and let q represent a false statement. Find the truth value of the given compound statement.p ? (q ? p)
A. False B. True
Is the following a statement? What is its truth value?Spain is in Asia.
A. Not a statement. The sentence cannot be answered true or false. B. Statement. The truth value is true. C. Statement. The truth value is false.
Solve the problem.Ignoring friction, the time , t (in seconds), required for a block to slide down an inclined plane is given by the formula 
where b is the length of the base in feet and 
per second is the acceleration of gravity. How long does it take a block to slide down an inclined plane with a base of 12 feet at an angle of 
Round your answer to three decimal places.
A. 6.947 sec B. 1.224 sec C. 0.866 sec D. 0.353 sec