Answer:
15ft
Step-by-step explanation:
a^2 + b^2 = c^2
12 or 9 can equal to b or a
12^2 + 9^2 = c^2
144 + 81 = c ^2
225 = c^2
Square root of 225
15 = c
Answer:
D.
Step-by-step explanation:
The formula is Sum(n) = (n -2) 180.
Answer:
It's B :)
Step-by-step explanation:

Simply move -2 to another side.

Distribute -1/3 in (x+6)
---> Answer
5/8=0.625
7/12=0.583......
5/8 is bigger as ive put both into a decimal as it is easier to tell