Simplify the expression. Assume that all variables are positive when they appear.
A. -7
B. -7
C. 
D. 
Answer: C
Mathematics
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Determine the equation of the given line, as well as the slope of the line. If the slope is undefined, state this.
A. y = x - 8, m = 1 B. y = -4, m = 0 C. x = -4, m = 0 D. y = x - 4, m: undefined
Mathematics
Use a calculator to find the function value. Give your answer rounded to seven decimal places, if necessary.csc 38°22'
A. 1.6111057 B. 1.6131057 C. 1.6101057 D. 1.6121057
Mathematics
Find a minimum spanning tree for the graph.
A. 
B. 
C. 
D. 
Mathematics
Choose the equation that matches the graph.
A. f(x) = -3x2 + 5x + 6 B. x = -3y2 + 5y + 6 C. f(x) = -3x2 - 5x + 6 D. x = -3y2 + 5y - 6
Mathematics