Someone please help! Which set of numbers correctly identifies the lower extreme, the lower quartile, the median, the upper quartile, and the upper extreme for the data set given?

9, 30, 17, 23, 13, 7, 28, 34, 11, 21, 16

{7, 12, 17, 25.5, 34}
{7, 11, 16.5, 28, 34}
{7, 11, 17, 28, 34}
{7, 12, 16.5, 25.5, 34}

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3