Solve.While looking through the properties of her 3 - 1/2 inch diskette, Amy noticed that 
of the space on the disk was not being used. She deleted four files that were using 
of the disk space. What fractional part of the disk space was free after she deleted the four files?
A. 
of the disk was free
B. 
of the disk was free
C. 
of the disk was free
D. 
of the disk was free
Answer: D
Mathematics
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Solve the equation.y4 + 5y2 + 6 = 0
A. ±j
, ±j
B. -2, -3
C. ± 
, ± 
D. 2, 3
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Give the exact value of the expression.sin (arctan 2)
A. 
B. 
C. 5
D. 2
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Find the present value. Round to the nearest cent.
A. $4182.06 B. $19,802.32 C. $1931.84 D. $1817.94
Mathematics
The pie chart below shows the number of pizzas consumed by college students in a typical month. Use the chart to answer the question. 
What percent of college students consume 1-2 pizzas in a typical month?
A. 18% B. 34% C. 41% D. 2%
Mathematics