While baking, evan discovered a recipe that required 1/2 cup of walnuts for every 2 1/4 cups of flour. how many cups of walnuts will he need for 4 cups of flour?

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)