Alt22232 it said the page deleted but i dont have any electronics

For what value of (y) is 3^3/3^y =1/9

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)

Fast! find the length of cu. the triangles are similar. show your work.