PLEASE HELPP! LAST QUESTION! WILL MAKE BRAINLEIST! PLZ HELP ME!! BRAINLY IS AWSOME,YOUR SMART,PLZ HELP!

The stem-and-leaf plot shows the heart rates that two groups had during exercise. How many Group 2 subjects had heart rates GREATER than 143?

A) 9
B) 11
C) 12
D) 13

PLEASE HELPP LAST QUESTION WILL MAKE BRAINLEIST PLZ HELP ME BRAINLY IS AWSOMEYOUR SMARTPLZ HELP The stemandleaf plot shows the heart rates that two groups had d class=