Write the expression with positive exponents only. Then simplify, if possible.-2-4
A. - 
B. 16
C. 
D. -16
Answer: A
Mathematics
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Solve the problem.A boat goes 120 miles downstream in the same time it can go 90 miles upstream. The speed of the current is 4 miles per hour. Find the speed of the boat in still water.
A. 24 mph B. 28 mph C. 21 mph D. 32 mph
Mathematics
Write the partial fraction decomposition of the rational expression.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Mathematics
Find the term indicated in the expansion.(x + 2y)10; 7th term
A. 13,440x6y4 B. 6720x6y4 C. 13,440x4y6 D. 6720x4y7
Mathematics
Use a graphing device to draw the graph of the function f(x) = -3-3x². State approximately the intervals on which the function is increasing and on which the function is decreasing.
What will be an ideal response?
Mathematics