Answer:

Step-by-step explanation:

Answer:
The scale factor is 1/5
Step-by-step explanation:
Each of the lengths of the lengths of this triangle are divided by 5 (or multiplied by 1/5)
2x+3x+4 is equivalent with 5x+4 and 3(4x+2) is equivalent to 12x+6 and then the last two
I think you would need 3 perentecis for this and you need to find the least common multiplant between 12 and 16
I think that x=9 not sure though