Here is your first answer:
First find whats common which is 6:
-4×2=-8
3×2=6
-3×3=-9
2×3=6
Subtract -9 and -8
But use KCC which makes the equation...
-9+8=-1
-1/6
Here is your second answer:
First use KCC to Chang the equation into...
-3.9
-8.9
Then add:
9+9=18
=-1.28
Here is your third answer:
First change the equation (KCC):
2.9
9.4
9+4=13
3.9=12
=1.23
There are your answers:
The answer is Side RQ corresponds to side QQ'. 100% sure and please feel free to ask more.
Is question (t-36)/(36-I)?
Add the velocities together since they are in opposite directions
113+87 = 200mph
600 = 200t
600/200 = t
t = 3 hours
It is the third and fourth one only