Solve the rational equation.
- 
= 
A. {-12}
B. {
C. {12}
D. {24}
Answer: C
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Calculate the flux of the field F across the closed plane curve C.F = yi - xj; the curve C is the circle (x - 9)2 + (y - 9)2 = 121
A. -198 B. 0 C. 396 D. 198
For the given expression y', find y'' and sketch the general shape of the graph of y = f(x). y' = x2(3 - x)
A. 
B. 
C. 
D. 
Find the expected value of the random variable in the experiment.A bag contains six marbles, of which four are red and two are blue. Suppose two marbles are chosen at random and X represents the number of red marbles in the sample.
A. 1.33 B. 1 C. 1.4 D. .933
Provide an appropriate response.Using set-builder notation, a set S is written as {x ?-9 < x ? -2}. Which of the elements of the following set is not an element of S: {-3, -5, -9, -2}
A. -3 B. -5 C. -2 D. -9