Answer: Reflection about x-axis
Step-by-step explanation:
Given
Initially, vertices are 
After reflection they become 
It is clear that the x coordinate remains unchanged and the y coordinate changes its sign. It occurs when reflection is done about the x-axis.
For example, when (a,b) is reflected about the x-axis, it becomes (a,-b).
So, here reflection is being done about the x-axis.
Answer:
4
Step-by-step explanation:
20÷4=5 so 16÷4=4 :))
Hope that helps.
Answer:
true i think not 100% sure tho
Step-by-step explanation: