What is length of Ef?

Which statement is true? the given sides and angles cannot be used to show similarity by either the sss or sas similarity theorems. the given sides and angles can be used to show similarity by the sss similarity theorem only. the given sides and angles can be used to show similarity by the sas similarity theorem only. the given sides and angles can be used to show similarity by both the sss and sas similarity theorems.

Which of the following is the result of expanding the series

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)