7. what is the range of the relation {(2, 4), (3, 4), (4, 7), (5,7), (6,5)}? {4, 5, 6, 7} {2, 3, 4, 5, 6} {4,5,7) {2, 3, 4,5)

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Rob filled 5 fewer plastic boxes with football cards than basketball cards. he filled 11 boxes with basketball cards.