The answer of the given questions
a) 39 and b) 63
Step-by-step explanation:
Here are the solutions of given questions
a) 
=64-25
=39
b) 
= 36+27
= 63
Answer:
idk tbh i think is might be 3
Step-by-step explanation:
You would have to add x1 + x2 and divide by 2. do the same with y1 and y2.
(1/2,-1/2)