Write 2 equivalent expressions w/ negative signs in different places. a) b)
c) d)

The third expression is supposed to be all around negative, but I couldn't add the sign.

2 equivalent expressions w/ negative signs in different places.

a) =-1/5 x and x/-5

b) =14/-y and -14/1/y

c) =a/1/b and 1/b/1/a

d) =-c/y and -c/1/y

the answer is -1 for this question

step-by-step explanation:

you estimate that the angle of elevation to the top of the 86th floor (the observatory) is 82 .the total height of the building is another 123 meters above the 86th floor.

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