I believe #7 would be 5:13, #8 to be 6:7, #9 to be 13:18, #10 to be 18:5.
I hope this helps.
Answer:
4 [miles].
Step-by-step explanation:
1) the condition 'the entire trip took 5 hours' can be written as (where t_us - time spent upstream, t_ds - time spent downstream)

2) but the distance [D] upstream is equal the distance downstream, then the condition above can be written:

3) finally,

D=5*4/5=4 [miles].
Answer:
Birds 
Gerbils 
Fish 
Hamsters 
Step-by-step explanation:
From the question we are told that:
Sales
Number of birds 
Number of gerbils 
Number of fish 
Number of hamsters
Generally the frequency for birds
is mathematically given b



Generally the frequency for Gerbils
is mathematically given b



Generally the frequency for fish
is mathematically given b



Generally the frequency for fish
is mathematically given b



Answer:
No.
Step-by-step explanation:
It is not because 20 is not a perfect square.
Answer:
Hope this helps
Step-by-step explanation: