Answer:
12.686cm
Step-by-step explanation:
By using pythagoras, we can find CB.
We know that 
Therefore, 
(it has to be positive since it is distance)
now we look at triangle BCD and use SOH CAH TOA.

The answer would be 108. 108:45 can be simplified to 12:5.
Answer:
x=1
Step-by-step explanation:
-4+7x=3 add 4 to both sides
7x=7 divide 7 on both sides
x=1
135
with math any absolute number cant be negative so you just make it positive
I do not know this one but the first garden is 24 and the second one is 576.