Homelessness in Texas is hard to estimate, but estimates are that on any given night there are how many Texans homeless?

When establishing the validity of a web page how should you evaluate its currency?

a. the general rule of thumb is that pages more than 10 years old should not be used in scientific research b. because scientific advances occur so quickly, web pages more than one year old should not be considered valid c. it is inappropriate to include information about when the page was produced because they may be misleading d. the date of publication and frequency of updating should be posted on the page as a clue to its currency

The gut-and-amend process

a. allows legislators to "gut" out a long session. b. provides a mechanism for running special sessions. c. enables a legislator to replace the original contents of a bill with something new. d. describes the way legislators interact with the governor.