Need help ASAP 2. Use the following arithmetic sequence and the formula a, = a, + (n - 1d to answer the
questions below.
123, 116, 109, 102, 95, ...
Part I: Find the value of each of the following:
a, =
and d =
Part II: Find the explicit formula. Show your work.
Part III: Use the explicit formula you found in Part II to find the value of the 100th term in the
sequence, 2100. Show your work.

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