Which expression is equivalent to |a|≤5 ? a ≥ –5 and a ≤ 5

a ≤ –5 or a ≥ 5

a ≥ –5 or a ≤ 5

a ≤ –5 and a ≥ 5

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)