In the hitting set problem, we are given a family of finite integer sets {s1, s2, . . , sn} and a budget b, and we wish to find an integer set h of size ≤ b which intersects every si , if such an h exists. in other words, we want h ∩ si 6= ∅ for all i. show that the hitting set problem is np-complete

Question 1(multiple choice worth 5 points) (06.04 mc) how are the respiratory and circulatory systems similar? both systems provide glucose and other substances to cells. both systems regulate blood flow throughout the body. both systems remove carbon dioxide from the body. both systems send messages to the nervous system for breathing. question 2(multiple choice worth 5 points) (06.04 lc) the respiratory system controls and the circulatory systems controls antibodies; digestion breathing; blood flow muscles; bones nerves; senses question 3(multiple choice worth 5 points) (06.04 hc) read the following summary, which describes a body process. then, answer the question. blood enters the right side of the heart and travels to the lungs. there, the lungs eliminate carbon dioxide and exchange it for more oxygen. the oxygen-rich blood enters the left side of the heart. then, arteries carry blood away from the heart. what process is being described? circulation excretion immune response respiration question 4(multiple choice worth 5 points) (06.04 lc) the system is responsible for moving blood cells throughout the body. circulatory endocrine immune respiratory question 5(multiple choice worth 5 points) (06.04 mc) which of the following functions as part of the excretory and respiratory systems? blood heart intestines lungs

There’s only one game mode that stars with the letter ‘e’ in cs: go. which of the options below is it?

On early television stations, what typically filled the screen from around 11pm until 6am? test dummies test patterns tests testing colors