Solve the problem.The phone company needs to install a line from point A on shore to an island that is 10 miles away from point B, as shown in the drawing. The cost associated with underwater cable is $18,600 per mile, while the cost associated with cable used over land is $9000 per mile. To the nearest hundred dollars, what is the minimum cost for which this project can be completed?10 miles
?10 miles
A. $253,600
B. $249,400
C. $251,600
D. $252,800
Answer: D
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Integrate the function f over the given region.f(x, y) = y2 ex4 over the triangular region in the first quadrant bounded by the lines x = y/3, x = 1, y = 0
A. 27(e + 1)
B. 
(e - 1)
C. 9(e - 1)
D. 
e
Use the two steps for solving a linear programming problem to solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $35?
A. 18 VIP and 6 SST B. 16 VIP and 8 SST C. 14 VIP and 10 SST D. 12 VIP and 12 SST
Find the least common multiple (LCM) of the list of numbers.18, 16
A. 144 B. 288 C. 2 D. 576
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
-4/3
A. 
B. - 
C. 
D. Not a real number