Ship a receives a distress signal from the north, and ship b receives a distress signal from the same vessel from the southeast. at what location is the vessel in distress located? describe how you arrived at your conclusion using complete sentences. you must show all work in order to receive credit.
a coordinate graph shows two points labeled 1,5 with an arrow pointing se and 4,1 with an arrow pointing n.

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correct answer:

b.(19,-2)

the answer is (-4,-4)

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answer:

25x^2 + 90x + 84

discussion:

mn(x) = m(n(x)) = m( 5x + 9) =

(5x + 9)^2 + 3 =>

25x^2 + 90x + 9^2 + 3 =

25x^2 + 90x + 84                 (as 9^2 = 9*9 = 81)

which is the second choice

regards,  

mrb

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