Need to see more info jk idk what grade u are after that i will know how to help
3 sides of square is 3*12=36 cm
perimeter for the full circle is 2 * pi * radius
which is =2 * 22/7 * 12 =75.43 cm
so 360° =75.43 cm
for 150° = 75.43/360 *150 =31.43
all together =36 +31.43 =67.43 cm

We need to find the number of pies baked in years 1 and 2.
There were 148 pies baked in year 1. 
There were
pies baked in year 2. 
Rearrange the terms so the variable is first. 
Answer:
I didn't know if you wanted to get the answer
A -2
B -5
I think I might be wrong