Answer in screen shot below
Answer:
33.75.
Step-by-step explanation:
The mean = sum of the numbers / the number count
= (34 + 31 + 32 + 38) / 4
= 135 / 4
= 33.75.
Answer:
Step-by-step explanation:
Answer:
15 floors
Step-by-step explanation:
She parks on the third floor below ground +3
She goes up to the twelfth floor +12
3+12=15
This is a right angle triangle.
So, by Pythagoras theorem,
√(32^2+20^2) = x
or √(1024+400) = x
or √1424 = x
or <em>37.74 = x</em>