Give the appropriate form of the partial fraction decomposition.
A. 
+ 
B. 
+ 
C. 
+ 
D. 
+ 
Answer: C
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Solve the differential equation.cos x 
+ y sin x = sin x cos x
A. y = cos x ln 
+ C cos x
B. y = cos x ln 
+ C cos x
C. y = cot x + C cos x
D. y = sin x ln 
+ C sin x
Solve using Cramer's Rule.Linear systems occur in the design of roof trusses for new homes and buildings. The simplest type of roof truss is a triangle. The truss shown in the figure is used to frame roofs of small buildings. If a 109-pound force is applied at the peak of the truss, then the forces or weights W1 and W2 exerted parallel to each rafter of the truss are determined by the following linear system of equations. Solve the system to find W1 and W2. 
W1 + 
W2 = 218 
style="vertical-align: -4.0px;" />W1 - 
W2 = 0
A. W1 = 97.73 lb; W2= 79.79 lb
B. W1 = 79.79 lb; W2= 97.73 lb
C. W1 = 109 lb; W2= 133.5 lb
D. W1 = 39.9 lb; W2= 48.86 lb
Solve.Gina has $288 in her checking account. She writes a check for $55, makes a deposit for $119, and then writes another check for $65. Find the amount left in her account. (Write the amount as an integer.)
A. -287 dollars B. -49 dollars C. 49 dollars D. 287 dollars
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.
+ 
A. 
B. - 
C. 
D. - 