Find the measure of the unknown angle of the triangle.
A. 45°
B. 104°
C. 140°
D. 40°
Answer: D
Mathematics
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Solve.The floor plan of an office building is shown in the figure. If the entire surface is to be covered in carpet costing $32 per square yard, what will be the total cost of the carpet? (Assume that all corners are right angles. Round to the nearest dollar.)
A. $1649 B. $5817 C. $7182 D. $7893
Mathematics
Solve the problem.How many spanning trees does the following network have?
A. 15 B. 25 C. 23 D. 24 E. none of these
Mathematics
Find all solutions by factoring.16x2 + 24x = -9
A. 
B. 
C. 
D. 
Mathematics
Find the vertex, the focus, and the directrix of the parabola.(y - 10)2 = -12(x + 2)
A. V: (-2,10); F: (-5, 7); D: x = 1 B. V: (1,10); F: (-5, 10); D: x = 1 C. V: (-2,10); F: (-5, 10); D: x = 1 D. V: (-2,10); F: (-5, 10); D: x = -2
Mathematics