Ap Stats can someone please explain how I can solve and answer this.

What are the values of , , m∠abd and m∠dbe in the given figure? explain or show your work

Use the knowledge of x- and y- intercepts to choose the correct graph of the equation 3x+6y=6

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.