DF is the altitude to the hypotenuse EC. What is the length of DE? Select the best answer from the choices provided.
A. 3
B. 6
C.12
D. 24

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

Which graph represents the linear function below? y-3=1/2(x+2)

Find the interior angle of a regular polygon which has 6 sides