Identify the numerical coefficient of the term.- 
z
A. 
B. -7
C. z
D. - 
Answer: D
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Use the brute force algorithm to find a minimum Hamilton circuit for the graph. Also, determine the total weight of the minimum Hamilton circuit.
A. Minimum Hamilton circuit is W ? Y ? Z ? X ? W; weight = 445 B. Minimum Hamilton circuit is W ? X ? Z ? Y ? W; weight = 435 C. Minimum Hamilton circuit is W ? X ? Y ? Z ? W; weight = 435 D. Minimum Hamilton circuit is W ? Y ? X ? Z ? W; weight = 450
Solve.If an object is propelled upward from ground level with an initial velocity of 38.6 feet per second, its height, h, in feet, t seconds later is given by the equation 
After how many seconds does the object hit the ground? (Round your answer to the nearest tenth, if necessary.)
A. 4.8 sec B. 0.4 sec C. 2.4 sec D. 1.2 sec
Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = 2 + 3x + x2 
A. 
B. 
C. 
D. 
Subtract.-80 - (-59)
A. -139 B. -21 C. 139 D. 21