Please help ill brainlist 15

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Hey am have account in but wished to create an account here you guys will me with my make new friends of uk !

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)