Answer:
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The SAT is meant to measure a high school students readiness for college, and it provides colleges with one, data point which can be used to compare all applicants.
Answer: The system’s host star, called TRAPPIST-1, is what is known as an ultracool dwarf.
Explanation:
Also called 2MASS J23062928-0502285, TRAPPIST-1 is an ultracool dwarf star that hosts three planets: TRAPPIST-1b, c, and d.
Never before planets had been found around ultracool dwarf stars, and they are considered as potentially habitable and, therefore, suitable for life outside our solar system.
To multiply or divide rational expressions, what is expected is that the 2 numerators and the 2 denominators are multiplied or divided with each other.
<h3>What is a rational expression?
</h3>
This is the ratio of two polynomials in mathematics. To multiply the expression it is the same as the normal multiplication done in mathematics.
The numerators first have to be multiplied together and then the same is done to the denominator.
Read more on rational expressions here: brainly.com/question/997462
