Solve the problem. Express any improper fraction as a whole or mixed number.Frank can type a report in 2 hours. James takes 8 hours to type it. How long will it take the two of them typing together?
A. 
hr
B. 2
hr
C. 1
hr
D. 
hr
Answer: C
Mathematics
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Perform the indicated operation.9 - (-12)
A. 21 B. -21 C. 3 D. -3
Mathematics
Find the first three terms of the sequences whose nth terms are given.
?
?
A. 
, 
, 
B. ?
, 
, 
C. ?, 
,
D. ?, 
,
E. ?, 
, 
Mathematics
Provide an appropriate response.Sketch a parabola that has vertex (0, 2) and passes through points (-4, 10), (-2, 4), (2,4) and (4, 10).
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations and simplify.
A. 
B. 
C. 
D. 
E. 
Mathematics