By graphing the system of constraints, and using the values of x and y that minimize the objective function, find the minimum value. 25 <= x <= 75
y <= 110
8x + 6y >=720
y >= 0

minimum for C = 8x + 5y

A. C = 100
B. C = 255 2/3
C. C = 633 1/3
D. C = 86 2/3

Use the net as an aid to compute the surface area of the triangular prism. a) 550 m2 b) 614 m2 c) 670 m2 d) 790 m2

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Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.