Answer:
5+m
Step-by-step explanation:
Sam is 5 years older than Michelle. This sentance tells me that we have to add. Michelle is m years old, so we can add 5+m.
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The expression y = 7 + 2x can be substituted into the first equation to find the variable "x"
<h3>System of equation</h3>
System of equation are made of two or more equations with unknowns
Given the system of equation
4x=5-2y
y-2x=7
From equation 2:
y = 7 + 2x
The expression y = 7 + 2x can be substituted into the first equation to find the variable "x"
Learn more on system of equation here: brainly.com/question/14323743
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Answer: take a protractor to the unkown sides to find the angle degrees and to check add them up and see if it is 360 degrees
Step-by-step explanation:
The equation of the graph y=
has no symmetry
The equation of the graph y = 
Replace y with -y in the given equation
-y = 
When replacing y with -y gives the different equation. The equation is not symmetric with respect to x axis
Replace x with -x in the given equation
y = 
y = 
When replacing x with -x gives the different equation. The equation is not symmetric with respect to y axis
Replace x with -x and y with -y in the equation
-y = 
-y = 
When replacing x with -x and y with -y gives the different equation. The equation is not symmetry with respect to origin.
Hence, the equation of the graph y=
has no symmetry
Learn more about symmetry here
brainly.com/question/16180199
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