Answer:
D
Step-by-step explanation:
Answer:
4pi + 8 km
Step-by-step explanation:
the circumference of teh circle is d*pi = 8pi. since this is a semicircle the circumference is 4pi. then the perimeter is 4pi + 8


(provided that
)
Then

(just moving around a factor of
)

(multiply by
)
In 5 years the plant will be 25cm taller.

so

so

take differential calculus

you will find x then y