What fraction of the months of the year have 31 days?

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)

15 points what is the end behavior of this graph? & what is the asymptote of this graph?

Which number line correctly shows 0.8 + 0.3?