1 A vector starts at point (6,7) and ends at point (-1,-7) what is the horizontal component of the vector? 2 A vector starts at point (-7,-5) and ends at point (1, 3) what is the magnitude of the vector, answer to two decimal places.
3 A vector starts at point (-3,-4) and ends at point (9,6) what is the vertical component of the vector?
4 Jason is pulling a box across the room. He is pulling with a force of 11 newtons and his arm is making a 70 angle with the horizontal, what is the horizontal component of the force he is pulling with?

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.