Answer:
The answer is "The second choice".
Step-by-step explanation:

Formula:


If i’m correct it’s y=2 im 99% sure
Answer:

Step-by-step explanation:



Answer: 
This an isosceles right triangle. The sides opposed to the angle 45° are congruent. Let x be this side==> x²+x² =(7√2)² (Pythagoras)
2x² = 49(2) ==> 2x²= 98 ==> x²=49 & x=7
Answer:
1=S
2=T
3=U
4=V
5=W
6=X
7=Y
8=Z
Step-by-step explanation:
I learned about coordinate planes so this will help, sorry if its wrong