Express 27i in general polar form

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)

What’s the answer ? use the picture to see the problem

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.