Assume that the probability that an airplane engine will fail during a torture test is 
and that the aircraft in question has 4 engines. Find the probability that exactly 2 engines will survive.
?
Please enter your answer as a fraction.
What will be an ideal response?
Mathematics
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Find all the local maxima, local minima, and saddle points of the function.
A. f(-7, 3) = -62, local minimum B. f(-7, -3) = -26, saddle point C. f(7, -3) = 170, local maximum D. f(7, 3) = 134, saddle point
Mathematics
Find the product.(r - 11)2
A. r2 - 22r + 121 B. r + 121 C. r2 + 121 D. 121r2 - 22r + 121
Mathematics
Solve: 6x + 4 = 5x - 13
A. -52 B. -17 C. 9 D. -9
Mathematics
Provide an appropriate response.Using the markup formula M = S - C, find the selling price (S) if the markup (M) is $21.50 and the cost (C) is $58.
A. $79.50 B. $36.50 C. $3.62 D. $3.70
Mathematics