Perform the indicated operation and express the answer in simplest form.
A. 3 
- 6 
- 
- 2 
B. 3 
- 6 
+ 
- 2 
C. 3 
- 2 
D. 3 
+ 6 
+ 
+ 2 
Answer: B
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Find the area of the circle. Use 3.14 for ?. Round results to two decimal places in necessary
A. 7.07 ft2 B. 18.84 ft2 C. 28.26 ft2 D. 9.42 ft2
Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Translate the problem situation to a system of equations. Do not solve.The difference between two numbers is 16. Three times the smaller number plus the larger number is 48. What are the numbers?
A. x - y = 16; x + 3z = 48 B. x - y = 16; x + 3y = 48 C. x - y = 16; 3x + y = 48 D. x + y = 16; x + 3y = 48
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below. 
Find the MST of the network using Kruskal's algorithm.
A. 
B. none of these
C. 
D. 
E. 