If two lines intersect, prove that vertically opposite angles are equal.

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia

The word population in 2013 was about 7.125 billion. in 2003, it was about 6.357billion. which number represents the increase in the world population between 2003 and 2013? a; 0.0768x10/7 b; 0.768x 10/8 c; 7.68x 10/9 d; 7.68x 10/8

Rodell wants to find the favorite gaming app among the students at his school. he decides to poll the thirty students on his football team and the fifteen students on his basketball team to gather the data. what is wrong with rodell’s method for collecting his data? a. rodell only polled male athletes; this sample does not represent the girls or nonathletes at the school. b. rodell needs a larger sample size than two sports teams to represent a whole school. c. rodell polled everyone on his teams; he should have only polled every other student for it to be a true sample. d. rodell’s polling method only included fall and winter sports; he should have also included a spring sport like baseball.