Answer
From My Understanding It Is The First One
Step-by-step explanation: Because It Goes From 1 on top which Adds 5 to the bottom
Answer:

Step-by-step explanation:
Given that the triangles are similar then the ratios of corresponding sides are equal.
To determine the scale factor calculate the ratio of corresponding sides, that is
=
= 
Answer:
1728 units cubed
Step-by-step explanation:
V = LWH
V = 12x16x9
V = 1728
Answer:
x = 7
Step-by-step explanation:
123 = 17x + 4
123 - 4 = 17x
119 = 17x
119 / 17 = x
7 = x