Answer:
a) -6
b) 9
c) 27
Step-by-step explanation:

<span>The equation is not quadratic in for because it cannot be written as a second degree polynomial</span>
The triangle that shows a scalene triangle is: D. a triangle where all the sides on it are different lengths.
<h3>What is a Scalene Triangle?</h3>
A scalene triangle is a triangle whose three angles are unequal and also has three unequal sides.
This means that any two sides or two angles of a scalene triangle must not be equal.
Thus, the triangle that shows a scalene triangle is: D. a triangle where all the sides on it are different lengths.
Learn more about scalene triangle on:
brainly.com/question/16589630
Answer: If you are suppose to write an algebraic expression it is: 5 - 2x = 3x - 5
If you are suppose to solve the answer is:
5-2x=3x-5
-2x=3x-10
-5x=-10
x=2