Combine similar terms and apply the operation. do not evaluate or simplify.
1) 2x + 4 + 3x
2) 12 + 5x -8
3) 2x^2 + 3x^2 + 4x
4) 5ax - 12 - ax
5) 4xy + 2x + 3xy + x

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.

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01