For the first question
The image grew bigger the new triangle is bigger than the original one
The scale factor is 3 by finding the length of
CA prime divided by Regular CA
Answer:
A. -6
Step-by-step explanation:

In order to find
we will plugin



In order to find
we will plugin



∴ 
Es la segunda media es 1.65, mediana es 1.65, y modo es 1.61