Add or subtract.0.46 - 0.31
A. 0.1426
B. -0.77
C. 0.15
D. -0.67
Answer: C
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Graph the function. State the domain and range.y = 2x2 - 8x + 3
A. 
Domain: ? Range: y ? - 5
B. 
Domain: ? Range: ?
C. 
Domain: ? Range: y ? - 5
D. 
Domain: ? Range: y ? - 5
The matrix associated with the solution to a system of linear equations in x, y, and z is given. Write the solution to the system, if it exists.
A. x = -2, y = -5, z = 0 B. infinitely many solutions of the form x = -2 - z, y = -5 - 2z, z = z C. infinitely many solutions of the form x = -2 + z, y = -5 + 2z, z = z D. infinitely many solutions of the form x = -2 - z, y = -5 - 2z, z = 0
Find the slope of the line through the given pair of points, if possible. Based on the slope, indicate whether the line through the points rises from left to right, falls from left to right, is horizontal, or is vertical.(-4.1, -0.4) and (-1.6, -4.2)
A. 
; rises
B. - 
; falls
C. 
; rises
D. - 
; falls
Solve the problem.A rock falls from a tower that is 352 feet high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round your answer to the nearest tenth, if necessary.
A. 18.3 sec B. 7744 sec C. 4.7 sec D. 18.8 sec