The average national utility price is $270.48. Over a 6-month period, what is the average utility price in Dallas? How does
this compare with the national average?
Dallas, TX
$400
$350
$300
$250
$200
$150
$100
$50
SO
Apr-09
May-09
Jun-09
Jul-09
Aug-09
Sep-09
Apr-09
$283
May-09
$318
Jun-09
$315
Jul-09
$354
Aug-09
$356
Sep-09
$330

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