The model below represents an equation. Write the equation that is modeled then find what value of x makes the equation true. HELP PLZ PLZ PLZ PLZ

Need on this geometry question. explain how you did it.

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

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)