Which of the following are effective ways of practicing your speech?
presenting it in front of a mirror
recording it with a video camera
presenting it to family and friends
all of the above

The correct answer is D. All of the above

Explanation:

Before delivering a speech it is always recommended to practice or rehearsal multiple times as this allows the speaker to master all the elements in a speech including the content of the speech, the use of tools such as slides and even the interaction with the audience during the speech.

This practice or rehearsal, means the speaker practices how to deliver the speech multiple times before delivering the final or real speech, considering this is just about practicing there are multiple ways to practice a speech, this includes practice by your own in front of a mirror, which allows you to see and evaluate yourself; recording yourself with a video camera to evaluate and correct mistakes or improve your performance; practice with an audience who can be people from your real audience, family or friends and even practicing in the space the speech is going to be delivered.

This means, there are multiple ways to practice your speech and as long as you are rehearsing some part of it you will be practicing. Therefore, the ones that are effective ways t practice your speech from the options provided are all of the above.