Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
-4
A. 
B. - 
C. 
D. - 
Answer: A
Mathematics
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Calculate the requested distance.The distance from the point S(-9, 4, -4) to the line x = -2 + 2t, y = -5 + 2t, 
A. 
B. 
C. 
D. 
Mathematics
Solve. Round to the nearest hundredth, if necessary.The number G of gears a machine can make varies directly as the time T it operates. If it can make 7678 gears in 8 hours, how many gears can it make in 20 hours?
A. 7706 gears B. 959.75 gears C. 0.02 gears D. 19,195 gears
Mathematics
Solve the system by graphing.x + 3y = 39x - 2y = -2
A. {(0, 0)} B. {(1, 1)} C. {(1, 0)} D. {(0, 1)}
Mathematics
Write the equation of the quadratic function whose graph is a parabola containing the given points.(0, -2), 
, (-3, -8)
A. y = 
- 3x - 2
B. y = 3x2 + 3x - 2
C. y = 
+ 3x - 2
D. y = 
+ 3x - 1
Mathematics