Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.- 
+ 
A. 1
B. 
C. - 
D. - 1
Answer: B
Mathematics
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Write the improper fraction as a mixed or whole number.2
A. 182
B. 18
C. 2
D. 
Mathematics
Calculate the angle between a and b (correct to the nearest degree).
a= 9i-8j, b=-7j+k
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Mathematics
Fill in the blank with one of the words listed below.
The equation y = 7x - 5 is written in 
form.
A. slope-intercept B. standard C. slope D. point-slope
Mathematics
Simplify the expression. Assume that all variables are positive.
A. t2z
B. tz2
C. 
D. 
Mathematics