Answer:
4-a-b/2ab
Step-by-step explanation:
follow me for free points
Answer:

Step-by-step explanation:

Square both sides.



Answer:
there are 40% black ball a
white ball we don't know
so, we let = x
40\100 × x
now we cutting
ans is 10x
Answer:
(
,0)
Step-by-step explanation:
Answer:
Step-by-step explanation:
is not congruent to