Answer:
He used formula C).
Step-by-step explanation:
The correct formula for the slant height is given by
x^2 = 3^2 + 7^2
x = 7.62 cm.
To get 9.2 he must have used
x^2 = 6^2 + 7^2 = 85
as √85 = about 9.2.
18 roses
In the given stem-leaf chart, 18 is the smallest number having 1 as "stem" and 8 as "leaf".
H (36 / 5)
Divide each of the numbers and see which one is closest to seven
t = ln2/0.075
t = 9.24 years.
hope this helps