60 pesos because its subtraction, it would be 90-30, which equals 60 pesos.
Answer:

Step-by-step explanation:
Given



Reflection across y-axis
Required
Find C'
For reflection across y-axis, the rule is:

So, the image of C is:


Hence:

Answer:
do you mean in simplest form
if so then it is 2:3
if not then 6
Step-by-step explanation: