What are the solutions of the equation?

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

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Write the factored form of this trinomial 9x^2+18x-7