Answer:
Consistent and dependent
Step-by-step explanation:
Given


Required
The words that describe the equations
Make y the subject in (2)

Collect like terms

Divide through by 2

Substitute:
in (1)



Collect like terms


Solve for x

Simplify

Substitute
in 



So, we have:
and 
<em>The system is consistent because it has at least 1 solution</em>
<em>The system is dependent because it has more than 1 solution</em>
Answer:
- D. They are similar by the definition of similarity in terms of a dilation.
Step-by-step explanation:
<em>Refer to attached</em>
The points are plotted and connected to make triangles
As per the diagram, the triangles are similar, each side of ABC is reduced twice to make the corresponding sides of DEF, so the scale factor is 1/2.
<u>Correct choice is D</u>
- They are similar by the definition of similarity in terms of a dilation.
Answer: 1,3,6
Explanation:
72x
That's is the unknown number multiplied by 72.