HELP QUICK!! The stem-and-leaf plot shows data from a set of size 80. What are the median and mode of this set?

A) median = 66; mode = 67
B) median = 64; mode = 68
C) median = 65; mode = 67
D) median = 66; mode = 66

Anyone know? is appreciated! will mark brainliest if correct!

The formula for the lateral area of a right cone is la = rs, where r is the radius of the base and s is the slant height of the cone.which are equivalent equations?

Thompson and thompson is a steel bolts manufacturing company. their current steel bolts have a mean diameter of 127 millimeters, and a variance of 36. if a random sample of 35 steel bolts is selected, what is the probability that the sample mean would differ from the population mean by greater than 0.5 millimeters? round your answer to four decimal places.