In a certain city there is a river running through the middle of the city. There are three islands and nine bridges as shown in the figure below.
In the graph that models this situation, the degree of the vertex that represents the South Bank is

A. 2.
B. 1.
C. 3.
D. 4.
E. none of these


Answer: C

Mathematics

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Find the principal (present value) of the simple interest loan. Round to the nearest cent.The future value of $7383.75 invested in a simple interest account at an annual percentage rate of 7.5% for 19 months

A. $7455.00 B. $6600.00 C. $7388.75 D. $16,005.00

Mathematics

Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the curves y = ±  and the lines x = 1 and x = 9, with density ?(x) = 

A.  = 3,  = 0
B.  = 2,  = 0
C.  = 5,  = 0
D.  = 4,  = 0

Mathematics

Write the exponential equation as an equation involving a common logarithm or a natural logarithm.e3 = K

A. ln K = 3 B. ln 3 = K C. ln eK = 3 D. ln = 3K

Mathematics

Name the quadrant in which the angle ? lies.sin ? > 0, cos ? > 0

A. I B. II C. III D. IV

Mathematics