Tim's mathematics teacher asked him to explain the expression -8 x 7. Which answer should tim give? A. the expression represents 7 groups of 8 positives
B. the expression represents 8 groups of 7 positives
C. the expression represents 7 groups of 8 negatives
D the expression represents 8 groups of 7 negatives

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?

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !

Given: jk ||lm prove: _2 = 27 statement justification 1. jk ||lm 1. given 2.26 = 27 3.22 = 26 2. 3. 4. _2 = 27 4. corresponding angles theorem transitive property of equality vertical angles theorem substitution property of equality