Plz
lawrence performs a survey to determine the number of minutes of exercise seventh-grade athletes get in one week. he gets a list of sports and the seventh-grade students participating in each sport. he then chooses 10 people from each list to complete the survey. how can lawrence’s sample be improved to be more representative of the population?
he can choose his sample from all seventh-grade students.
he can choose his sample from a list of students by class rather than by sport.
he can choose his sample from every third person on each list rather than 10 people.
he can choose his sample from a list of all athletes participating in each sport.

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Gexpressions: practice question 3 of 5 jackson wants to study the popularity of his music video by tracking the number of views the video gets on his website. the expression below represents the total number of views that jackson's video receives n days after he begins tracking the nu views, where b is the rate at which the number of views changes. alb)" select the statement that would accurately describe the effect of tripling a, the initial number of views before jackson beginst the rate at which the number of views changes, b, will triple. the total number of views the video has after n days, a(b)", will not change. the total number of days since jackson begins tracking views, n, will be reduced by one-third. the total number of views the video has after n days, alb)", will triple. submit