18. when y = x? , which of the following expressions is
equivalent to -y ?

-y=-x

The problem:

y=x then -y=?

Step-by-step explanation:

If y=x, then -y=-x.

Just like if u=9, then -u=-9.

Or, if -m=8, then m=-8.

answer

false

explanation

these practices describe the manner the land use outcome is attained. land management methods implemented by corporations are a mandatory because they are a driver for better land use results economically, socially and environmentally. corporations are required to understand the connection between land use , and land management practices to support sustainable land use policies

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)