To complete the square (x+2/5)^2 it would be x^2+(4/5)x+4/25
Hope this is what you were looking for:)
Step-by-step explanation:
Given that,
The dosage of Benadryl for Dog is 
Weight of Joel's Dog is 
(a) Benadryl dosage per pound for Joel’s dog is calculated as :

(b) If the weight of the Dog is 12 pounds, it means

Therefore, this is the required solution.
Answer:
Three equivalents ratios for 6/9 could be 2/3, 12/18 and 18/27
Step-by-step explanation:
An equivalent ratio refers to the same number but written differently. For example, for the ratio 6/9, we could obtain the following equivalent ratios.
First equivalent ratio
You can divide the numerator and denominator by 3. You get 2/3

Second equivalent ratio
You can multiply the numerator and denominator by 2. You get 12/18

Third equivalent ratio
You can multiply the numerator and denominator by 3. You get 18/27

Thus, three equivalents ratios for 6/9 could be 2/3, 12/18 and 18/27