Rational functions are written as fractions. The expression equivalent to 
is 
<h3>Rational functions</h3>
Given the rational function expressed as:
This can be further expressed as:
Factorize the denominator to have;
Hence the expression equivalent to is
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Answer:
130 degrees
Step-by-step explanation:
Let's assume that the angle is X. If angle is x, then:
x+260 = 3x
subtract x from both sides:
260 = 2x
130 = x because 260/2 is 130
so the answer is 130 degreees
Answer:
The middle of a line segment
Step-by-step explanation:
<h2>
Answer:</h2>
20. 
21. 
22. 
<h2>Additional information:</h2>
Vertical angle means opposite angles.
- It states that If two lines intersect each other, then the vertically opposite angles are equal.
For eg :- In this diagram,
Linear pair means to form 180°.
- It states that the two axioms above together is called the Linear Pair Axiom.
- If the sum of two adjacent angles is 180°, if non-common arms of the angles form a line.
For eg :- In this diagram,
The answer is c because the remaining number would be 10
