Afield is to be fertilized at a cost of $0.08 per square yard. the rectangular part of the field is 95 yards long and the diameter of each semicircle is 49 yards. find the cost of fertilizing the field. use 3.14 for π

this gives
total area of the field = 4655 sqyrd + 1884.79 sqyrd = 6539.79 sqyrd
 cost of fertilising 1 sqyrd = $ 0.08
 so cost of fertilising 6539.79 sqyrd = 6539.79 * $ 0.08 = $ 523.18

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i believe that the answer is

b. y-1=-2(x-4)

hope this !