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puteri [66]
Answer:
96
bcs the exercise room is 70
weight room is 42
but they both include locker room
the locker room is 16
locker room calculated twice
so 70 + 42 - 16 = 96
Answer:
28.6
Step-by-step explanation:
Pathagorem therom
<span>Standard deviation for mean of n objects = (square root n) x s.d. for one
object.
So you need (2.8/0.5)^2 or around 32.</span>
Answer:
C. 800 miles per 16 hours
Step-by-step explanation:
600 ÷ 15 = 40
1500 ÷ 50 = 30
800 ÷ 16 = 50
900 ÷ 20 = 45
40 > 30 < 50 > 45
