Answer:
233.53 s
Step-by-step explanation:
The sum of best times for the legs is ...
56.81 +59.22 +57.39 +60.11 = 233.53 . . . seconds
Without additional information about the effects of training or the normal variation in times, this is the best prediction we can make.
Answer:
2*2*2*2 = 16
Step-by-step explanation:
The equivalent of 2^4 = 2 x 2 x 2 x 2 (multiply 2 four times)
Answer:
4 flights of stairs in 5 minutes
Step-by-step explanation:
8/10 times 5
Answer:
x=2
Step-by-step explanation:

Add 14 to both sides

Square root it
x=2