Answer:
9
Step-by-step explanation:
total parts= 3+7=10
12=4 parts
1 part=3
3*3=9
Answer:
a=11, b=53
Step-by-step explanation:
y=ax+b
x=1, y=64 -> 64=a+b
x=2, y=75 -> 75=2a+b
75-64=a, a=11, b=53
All the other points obey this rule.
6/10÷3=0.2 i don't know if you want an explanation
The answer is 4188.79 inches