Answer:
B.
Step-by-step explanation:
This is vertical reflection, because reflections are made across vertical lines.
Answer:
Since zero has no value, it does not need to be included when writing a number in expanded form.
Step-by-step explanation:
Answer:
Step-by-step explanation:
-1+8=7
Answer:
21
Step-by-step explanation:
Hope this helped have an amazing day!
Step-by-step explanation:
Since there is 2 unknown variable ,
so we need 2 equation to find their values.