Identify the terms and like terms in the expression.3n+7−n−3

Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Is the square root of 4 plus the square root of 16 rational?