What is the value of y?

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In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

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)