A file folder named "Finances" on a student's Thinkpad T60 contained 86 documents.To free up 4 megabyte(s) of storage space, he deleted 27 documents from that folder.Then, 48 hours later, he inserted 14 new documents (5 megabytes) into it. How many documents are now in the student's "Finances" folder?
?
A. 87 documents
B. 73 documents
C. 74 documents
D. 99 documents
Answer: B
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The length of skid marks when a car skids to a stop is a power function of the speed the car is traveling when the brakes are applied. It is observed that if the speed is doubled, the skid mark length increases by a factor of 4. What is the value of the power ?k for this power function? Round your answer to two decimal places if necessary. ?
A. 
B. 
C. 
D. 
Solve the problem.Dolores bought a record album that regularly sold for $6.99 at a 40% discount. What was the amount of the discount? Round to the nearest cent.
A. $2.40 B. $2.84 C. $2.76 D. $2.80
Find an equation for the ellipse described.Center at (0, 0); focus at (2, 0); vertex at (4, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Provide an appropriate response.A graph shows one or more lists of numerical information grouped in some meaningful form.
A. True B. False