Lisa and kate are playing a card game, and a total of 900 points has been scored.
lisa scored 250 more points than kate. if you let / = the number of points that lisa
scored, and k= the number of points that kate scored, then the problem can be
represented by the system:
1+k= 900 and 1= k + 250

Factor a^3 - 3 + 3a^2 - a. a) (a - 1)(a + 1)(a + 3) b) (a^2 + 1)(a - 3) c) (a^2 - 3)(a + 1)

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7