Add or subtract. Express the answer as a mixed number.1
+ 2
+ 10
A. 15
B. 14
C. 14
D. 13
Answer: B
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Find the product.(2s + 3)(2s3 - 4s2 + 3s + 2)
A. 4s4 - 2s3 - 6s2 + 4s + 6 B. 4s4 - 20s3 - 6s2 + 13s + 6 C. 4s4 - 2s3 - 6s2 + 13s + 6 D. 4s4 - 2s3 + 15s2 + 13s + 6
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. x + y + z = -9 x - y + 2z = -33x + y + z = -15
A. (-3, -4, -2) B. (-2, -4, -3) C. (-2, -3, -4) D. No solution
Use transformations of the graphs of y = x2 or y = |x| to sketch a graph of f by hand.f(x) = x2 - 4 
A. 
B. 
C. 
D. 
Solve.The average value of a certain type of automobile was $15,840 in 1995 and depreciated to $4620 in 1999. Let y be the average value of the automobile in the year x, where x = 0 represents 1995. Write a linear equation that models the value of the automobile in terms of the year x.
A. y = -2805x + 15,840
B. y = -2805x + 4620
C. y = - 
x - 4620
D. y = -2805x - 6600