Answer: The fox population decrease 1.298% every month.
Step-by-step explanation:
Since we have given that
Initial foxes = 170000
Every 7 months, the population loses 
So, we need to find the rate of change in population every month.
So, we will use "Unitary method":
So, In every month, the population loses 
So, the percentage would be

Hence, the fox population decrease 1.298% every month.
Answer:
Alveoli forms the respiratory surface in human body.Each alveolus is sac like structure bounded by a single layer of epithelial cells.It is bound on the outside by a network of capillaries. The pulmonary artery from the heart containing deoxygenated blood enters the lungs and then becomes oxygenated after passing in the capillaries through the lungs.
Ill give u a hint for first one:
p*q/2
answer 18
Answer:
23(2+7y-())=0
Step-by-step explanation:
(10+13)(2+7y=)
We move all terms to the left:
(10+13)(2+7y-())=0
We add all the numbers together, and all the variables
23(2+7y-())=0