Pls help. only do the odds. also pls explain. I rlly don't get anything.

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 is negative 3/9 times negative 2/8 ?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.