Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Answer: A
Mathematics
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Estimate the value of the quantity.The velocity of a projectile fired straight into the air is given every half second. Use right endpoints to estimate the distance the projectile travelled in four seconds.
A. 459.4 m B. 439.8 m C. 879.6 m D. 918.8 m
Mathematics
Solve the system using Gaussian elimination. 5x - 7y - 5z = 8 9x + 6y + 4z = 6 20x - 28y - 20z = -7
A. {(x, y, z) 
5x - 7y - 5z = -20}
B. {(4, 4, -1)}
C. ?
D. {(8, 6, -7)}
Mathematics
Find all horizontal and vertical asymptotes of the function  figure 1.png)
 figure 2.png)
Mathematics
Find the equation of the line tangent to the graph of the function at the indicated point.y = 
at the point (2, 8)
A. y = 172(x - 2) + 8 B. y = -172(x - 2) + 8 C. y = 44(x - 2) + 8 D. y = -44(x - 2) + 8
Mathematics