Plz help! Due at 8:26!

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)