Math 2 Changes for 2007-2008

02#09 changed (3,-3) to (2,-3).
04#02 changed 24 to 25, and added part (d).
04#10 reworded first two sentences.
05#04 expanded the question, to make it clearer.
07#07 clarified the last question.
08#06 removed "continuation".
08#10 added missing italics around "k".
12#01 reworded to make it clearer what the units are.
14#10 reworded, eliminating "paces".
15#07 new data for escalator problem. Joe has a new solution to show you.
17#05 reworded.
19#05 and 19#06 moved to the bottom of the page.
27#08 now uses the labels found in the corresponding 26#09.
35#02 removed the redundant "continuation".
35#14 replaced "does not matter" by an explantion.
44#05 slight rewording.
49#05 sharpened the second question.
51#13 is now in the present tense.
55#08 replaced "a single" by "only a".
72#02 and 72#06 have been moved down the page.
73#08 now has "mass" replacing "weight" in two places.
79#08 a new question.

added "vertical angles" to reference section, in regard to 14#04.
fixed answer to 41#03, 44#01, 63#8.