Pls help I need a good grade

Who knows how to give brainliest? will give 20 points and of course brainliest!

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech

Using context clues read the sentence, then use context clues to determine the definition of parameters. setting clear parameters, such as rules, guidelines, or instructions, people understand what is expected of them. what is the definition of parameters? which type of context clue is used in the sentence?