Answer:
No. They are not equivalent.
Step-by-step explanation:

=> 
Therefore, 3/5 and 1/2 are not equivalent.
Hoped this helped.
For# 1 the answer would be
-3/5
for #2 the answer would be
3/4
i hope this helps :)
Answer:
x=15
Step-by-step explanation:
(10*9)/6=10*x/10
90/6=x
15=x
3445 divided by 13 is 265.