Answer:
Step-by-step explanation:
In similar triangles, the corresponding sides are in same proportion.

Cross multiply,
4x*12 = 15*(3x + 1)
48x = 15*3x + 15*1
48x = 45x + 15
48x -45x = 15
3x = 15
x = 15/3
x = 5
Answer:
There is no slope ( Undefined)
I hope this helps you
Answer:
No
Step-by-step explanation:
No because if it's 20,000 on 1 it should be 40,000 on 2 but its not so its not proportional