3) 3(8b + 3)
4) 57
I’m pretty sure that this is the answer
Answer:

Step-by-step explanation:



Substitute
into second equation:




Substitute
and
into the third equation:



Substitute
into
:

Plug in y and z values into
:

344 pairs of athelic shoes were sold bc when f=688 double 344 bc its individual shoes
if u set up the equation f÷2 - 4 = 340 and u input f u get the answer.....hope this helped
Answer: 1/5
Step-by-step explanation:
It depends, not exactly, because the techtonic plates aren't connected.