Answer:
D. By adding the vectors

Explanation:
Given
Represent the velocity of the river current as VR

Represent the velocity of the boat as VB

Required
How to calculate the velocity of boat relative to river current
From the question, we understand that both move in the same direction.
So, the relative velocity V is calculated as:



Notice that the both velocities are added together to get the relative velocities.
This is so because they both move in the same direction
<em>From the list of given options, only option D is correct.</em>
Answer:
practical intelligence
Explanation:
According to my research on the different types of intelligence categories, I can say that based on the information provided within the question this best illustrates practical intelligence. Practical intelligence is the ability that individuals use to find the best fit between themselves and the demands of the environment. This is what Richard is illustrating by using the skills he learned on the streets into something practical that fits his situation.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
Answer:
by using context clues Hints that appear in a text that help readers discover the meaning of an unknown word, usually based on how it is used in a sentence or paragraph.
Explanation:
Context clues will expand your vocabulary. by helping you guess the meaning of a word based on how it is used in a sentence.