Exercises 1–5: election results
the following is part of an article that appeared in a newspaper:
with the election for governor still more than a year away, a new poll shows the race is already close. the
republican governor had 47%, and the democratic challenger had 45% in a poll released tuesday of 800 registered voters.
"that’s within the poll’s margin of error of 3.5 percentage points, making it essentially a toss-up," said the poll’s director.
1. why don’t the two percentages add up to 100%?

Is it greater than or less than7*3_9*2

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel