Which expression is equivalent to the expression below? m+3
m2 - 16
m-9
m+4
1
(m+4) (m+3)
1
(m-4) (m-3)
m-4
m-3
m+ 3
m+4

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

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?

Mr. t has been dating his girlfriend for one year nine months and six days how many hours has mr. t been in a relationship