What does x equal of the equation is 9x > x + 9.6

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)

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?