Simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive numbers.x5/8 ? x3/8
A. x15/8
B. x15/64
C. 
D. x
Answer: D
Mathematics
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Differentiate. 
What will be an ideal response?
Mathematics
Find an equation for the parabola described.Vertex at (6, 2); focus at (6, 4)
A. (y - 2)2 = -8(x - 6) B. (y - 2)2 = 8(x - 6) C. (x - 6)2 = -8(y - 2) D. (x - 6)2 = 8(y - 2)
Mathematics
Find the odds.Find the odds in favor of spinning an A on the spinner pictured below. (The sectors are of equal size.) 
A. 3 to 1 B. 2 to 1 C. 1 to 3 D. 3 to 5
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.
- 
r + 
= 0
A. {-2, 2} B. 0 C. {-2} D. {2}
Mathematics