Dr. Baker, a veterinarian, recorded the weight of each newborn kitten her office saw today. Kittens' weights (g)
100
120
140
160
180
200
What was the interquartile range of the kittens' weights?
grams

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

In the 30-60-90 triangle below side s has a length of and side r has a length

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?