Answer:
Step-by-step explanation: 4a³ + 24ab² - 25b³
(In other words B)
Answer: 9.5km
Step-by-step explanation:
(3m^2n) x (-6m^2n)
Answer is
-18m^4n
In general for a rectangle of dimensions w by h and a semicircle of diameter w we get an area:

The halfs are because a semicircle is half a circle and a radius is half a diameter.
We're told

Substituting,

Answer: B
Answer:64%
Step-by-step explanation: