Answer:
Add all the numbers together and u will get your answer
Step-by-step explanation:
area of trapazoid= 1/2 × b× h
so = 1/2×9×15
=1/2×135
=67.5cm
The mean for Stem is 2.5
The mean for Leaf is 81.25
one fourth
Step-by-step explanation
1/2 = 2/4
3/4-2/4=1/4