Answer:
Step-by-step explanation:
10+100=1000
20+100=2000
Answer:
Step-by-step explanation:
Answer:
because only two of it's sides are parallel
I think this is the correct answer: * Zc x (sigma/sqrt of n)
c= .95 (Zc of 1.96)
0.711*
Answer:
-2
Step-by-step explanation:
We usually start measuring the height from the ground, so basically the positive direction is above the ground, for example 2 is the best number which represents 2m above the ground.
So the negative sign represents the depth below the ground.
