Someone please help me out as fast as possible...

Answer:
6
Step-by-step explanation:
Because this is a 45-45-90 triangle, the 4 is equal to the side of x. So we can identify x as 4. By doing so, we can find the length of AB by doing 4+2.
Answer:
5
Step-by-step explanation:
Using the pathagoryeous thereom we can write
4²+x²=(x+2)²
16+x²=x²+4x+4
12=4x
x=3
Now that we know x=3 to solve for BA just add two