I don’t understand your question can you go into more detail please
Answer:
D. is your answer
Step-by-step explanation:

An example of the theme of movement that relates to the city of San Francisco is the emigration of people to other parts of the country.
<h3>What is a theme?</h3>
It should be noted that a theme simply means the underlying message that's conveyed based on the information given in a story.
It should be noted that the theme of movement examines geographical exploration.
Here, an example of the theme of movement that relates to the city of San Francisco is the emigration of people to other parts of the country.
Learn more about theme on:
brainly.com/question/11600913
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so let's notice, the volume of the rectangular prism is really 3 times as much of that of a pyramid with the same Base and Height.
so if the pyramid has a volume of 150, the prism will have volume of 3*150.
Answer:
10 kph
Step-by-step explanation:
Find the speed of the current of the river.
20/(20 - c) + 180/(20 + c) = 8
20(20 + c) + 180(20 - c) = 8(400 - c^2)
8c^2 - 160c + 800 = 0
8(c^2 - 20c + 100) = 0
8(c - 10)^2 = 0
c = 10
The speed of the current of the river is 10 km/hour.