Answer:
the first equation could be something along the lines of
then the second is 
Step-by-step explanation:
this is how shifting works
35 / 5 = 7 ; also 49 /7 = 7
So
? = 8 x 7 = 56
Answer
Missing side length = 56
The answer for the last one is-36
AC in this problem will equal 87. If the (units) is where you put the put units like feet, inches if there is units.