I will give the brainiest a stack of poles has 28 in the bottom row, 27 poles in the next row, and so on, with 5 poles in the top row. how many poles are there in a stack?

needs a specific velocity as well as a thrust to reach the desired height above the earth's surface. The velocity and the thrust of a satellite launch vehicle depend

There are 396 poles in the stack.

i say b hope this jdjdjdj

he spend 5.1 minutes chatting with his friends.

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5.1