Add or subtract.
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Multiply or divide.-2 ÷ 
A. - 
B. - 
C. -18
D. 18
Mathematics
Use a CAS to plot the function near the point x0 being approached. From your plot guess the value of the limit.
A. 2
B. 1
C. 
D. 0
Mathematics
Write the expression without parentheses.-(-9t - 4r - 8s)
A. 9t + 4r + 8s B. -9t - 4r - 8s C. -9t - 4r + 8s D. 9t + 4r - 8s
Mathematics
Use Cramer's Rule, if possible, to solve the system of linear equations. 
A. (-5, -3) B. (3, 5) C. (5, 3) D. (-3, 5)
Mathematics