Answer:
There are 10 dogs in the kennels
Step-by-step explanation:
The equivalent fraction relationship between the number of dogs and cats in the kennels is 1/2.
Which means, if
the number of dods and
is the number of cats, then,

Given that there are 20 cats, so 
Now, from equation (i) we have,


.
Hence, there are 10 dogs in the kennels.
Answer: B, C, E
Step-by-step explanation:
Slope formula: y2-y1/x2-x1
5-1/-1+3= 4/2=2
m=2
Answer:
option a) 30 : 19
Step-by-step explanation:

<em><u>Ratio of length to width:</u></em>
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