If m anglebca=45 degrees, and m angle bcd= 125 degrees, what is m angle acd?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Apassenger train and a freight train leave san jose at 3pm, traveling in the same direction. the passenger train is going three times as fast as the freight train. at 6pm they are 240 miles apart. how fast is each travelling? explain your answer and show your

Evan walked 5/8 mile to his friends house.then together they walked 7/12 mile to the movie theatre.which pair of fraction can evan use to find how far he walked in all?