Round the decimal to the given place value.31.2289, nearest hundredth
A. 31.23
B. 31.13
C. 31.33
D. 31.2289
Answer: A
Mathematics
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Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.x1/9 ? x8/9
A. x
B. x8/81
C. x8/9
D. 
Mathematics
Determine how many vertices and how many edges the graph has.
A. 6 vertices; 9 edges B. 5 vertices; 8 edges C. 6 vertices; 10 edges D. 5 vertices; 9 edges
Mathematics
Sketch the surface z = f(x,y).f(x, y) = 1 - 
A. 
B. 
C. 
D. 
Mathematics
Based on the graph, find the range of y = f(x).
A. (-?, ?) B. (-10, 10) C. (-?, 0) or (0, ?) D. (-?, 0) or {0} or (0, ?)
Mathematics