If it takes one second to write down each digit, how long will it take to write down all the numbers from 1 to 1,000?
?
A. 48 min, 13 sec.
B. 105 min, 1 sec.
C. 91 min, 3 sec.
D. 48 min
E. 83 min, 6 sec.
Answer: A
Mathematics
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Use the percent formula, A = PB: A is P percent of B, to solve.30% of what number is 1.8?
A. 6 B. 0.06 C. 54 D. 0.54
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Provide an appropriate response.Divide and reduce answer to lowest terms. Convert improper fractions to whole or mixed number: 
A. 16
B. 4
C. 
D. 
Mathematics
Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.
A. Complex, pure imaginary, nonreal complex B. Nonreal complex C. Complex D. Real, complex
Mathematics
Convert the equation to the standard form for an ellipse by completing the square on x and y.25x2 + 16y2 - 100x + 96y - 156 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics