A 4 digit number has a 6 in the thousands place, a 9 in the ones place and 0’s elsewhere. What is the number?

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)

Can someone explain to me how to do

Which of the following represents the factorization of the trinomial below? x^2+7x-30