Icould use some i raised the points and will give brainliest

what is (hj) (x)?
h(x)=6-2x and j(x)= -4x

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)

Arational number that is equivalent to -20/4?

Round to the nearest ten thousandth.i dont get this