Simplify (m* +2x² - 5x)+(-3r+x? +1) +(3x* + 2x).
a. 3x + 2x - 3x -3x+1
b. 4x*-bx' + x2 + 4x + 2
c. 4x - 3x+3x2 + 4x + 2
d. 4x -3x+3x2-3x+1

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.