If the original quantity is 8 and the new quantity is 2, what is the percent decrease? The percent decrease is %.

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)

Rewrite so the subject can be y in the formula d=m-y/y+n

I’m really confused and need to learn this