Solve by transforming the augmented matrix into row echelon form.
A. (4, -11)
B. (7, -11)
C. (7, 4)
D. (4, 11)
Answer: A
Mathematics
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Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded on the left by the y-axis, below by the line 
above left by y = x + 4, and above right by y = - x2 + 10.
A. 
B. 15
C. 
D. 
Mathematics
Solve the problem.The following polynomial approximates the rabbit population in a particular area. 
where x is the number of years from 1987. Use a graphing calculator to describe the rabbit population from the years 1987 to 2012.
A. The population decreases. B. The population increases. C. The population remains stable.
Mathematics
Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Mathematics
Solve by the quadratic formula. If there are no real roots, say so.3x2 + 8x = -2
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics