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
The answer would be -5 because then you can do the opposite, 0+5 which would equal 5
Answer:
She made a final grade of 80% or you could say she got 20% of the questions wrong.
Answer:2600 Gallons
Step-by-step explanation: You first have to take 130 and times it by 20 then times it by 1. make sure you add labels