Use rules of exponents to simplify the expression. Use positive exponents to write your answer.
A. 
B. 616m
C. 
D. 610m
Answer: B
Mathematics
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Provide an appropriate response.In solving a system of three equations in three variables, the final step yields the following equation: 
How many solutions does this system have? Explain geometrically.
What will be an ideal response?
Mathematics
Determine if the statement is a rational equation.
= 
A. Yes B. No
Mathematics
Find all real solutions of the equation.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.A flare fired from the bottom of a gorge is visible only when the flare is above the rim. If it is fired with an initial velocity of 128 ft/sec and the gorge is 192 ft deep, during what interval can the flare be seen? 
A. 2 sec < t < 6 sec B. 0 sec < t < 2 sec C. 6 sec < t < 10 sec D. 4 sec < t < 8 sec
Mathematics