Answer: 
Step-by-step explanation:
Equilateral triangle has equal sides, let the side be
, then the perimeter is 
Therefore:



To find the altitude , we will apply Pythagoras theorem , that is

Therefore:



take the square root of both sides

Answer:
296.89 m
Step-by-step explanation:
assuming that both the buildings are on level ground (i.e their bases are at the same elevation), see attached.
Answer:
36
Step-by-step explanation:
2/4 of an hour is half an hour so 2/4 of an hour is 30 minutes. Hope it helps
Answer:
A
Step-by-step explanation:
You're correct. The Y intercept is the B. And 3 the slope.