Answer:
Step-by-step explanation:
The given expression is

We will rewrite the expression

When we add the fraction
=
= 8
While Andre says the answer is 
because Andre added the denominator where he has to make a common denominator that should be 4 instead of 8.
Andre made mistake in this step
Picture is given below :
Answer:
i need pointsssssssssss
Step-by-step explanation:
Answer:
Step-by-step explanation:
When you reflect a point across the y-axis, the y-coordinate remains the same, but the x-coordinate is taken to be the additive inverse. The reflection of point (x, y) across the y-axis is (-x, y).
Hope this helped.