Answer:
You really need to include the answer choices for your question.
Step-by-step explanation:
Let θ = m∡I
tan θ = 20/21
tan⁻¹ (20/21) = θ
θ ≈ 43.60° or if you need to round to another decimal point, plug the equation I put in bold into a calculator.
The most suitable sentence correction for the underlined part would be:
<h3>What is sentence correction?</h3>
Sentence correction is a type of grammatical practice where a sentence is given with a word or a phrase that requires grammatical changes or improvement.
Now,
- In the given sentence, "It has long been known that the sea otters <u>living along the West Coast of North America help</u> keep kelp forests in their habitat healthy and vital",
- The most suitable sentence correction for the underlined part would be: NO CHANGE (option A).
To learn more about sentence correction, refer to the link: brainly.com/question/14632568
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N+7 - 7 more songs added
n-2 - 2 songs deleted (subtracted)
4n - 4 times more songs than before
n/2 - the number of songs cut in half (divided by 2)
The best, closest quotient would be 87.