Solve the equation.f - 9 = 11
A. -20
B. 20
C. 2
D. -2
Answer: B
Mathematics
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Solve the differential equation.ex
+ 5ex y = 4, x > 0
A. y = e-x + ce-5x, x > 0 B. y = e-5x + ce-x, x > 0 C. y = ex + ce-5x, x > 0 D. y = e-x + e-5x, x > 0
Mathematics
Find the indicated probability.A bag contains 5 red marbles, 4 blue marbles, and 1 green marble. A marble is drawn at random from the bag. What is the probability of choosing a marble that is not blue?
A. 
B. 
C. 
D. 6
Mathematics
Subtract.
A. 480 B. 620 C. 388 D. 488
Mathematics
Solve the given equation by finding the unknown value.? ? 17 = 816
A. 799 B. 48 C. 816 D. 13,872
Mathematics