The correct answer to the first question is: A'(-5, 6)
The second answer is un-answerable, because the pictures you have provided do not display triangles.
Answer:
1. Write the addition of "a", "b" and "c".
2. The equation is: 
Step-by-step explanation:
You know that <em>P</em> represents the perimeter of the triangle and <em>a, b </em>and <em>c </em>represent the sides of the triangle.
By definition, the sum is the result of an addition. Therefore, the statement "The perimeter <em>P</em> of a triangle is equal to the sum of the lengths of sides <em>a, b</em>, and <em>c</em>”, indicates that the perimeter is obtained by adding the lengths of the sides of the triangle.
Knowing this, you can write the following equation:

Answer:
16
Step-by-step explanation:
4x3=12 tins of white paint
12+4=16 total tins
Answer:
The answer is a =3/4 and 5/18
Step-by-step explanation:
Answer:
2a-6>=15 this is because the key word at least means it can be 15 or higher but it cannot be less than 15.
Step-by-step explanation: