Answer:
40
Step-by-step explanation:
5 people in the room have 5*40 = 200 years altogether
a new person is X years old.
Now 6 people have (200 + x) years altogether.
Mean age of 6 people is (200+x)/6. and it is also = 40.
So,
(200+x)/6 = 40
200 + x = 240
x = 40
Answer : B
x^2-9x+14
Lets factor 
We find out two factors whose product is +14 and sum is -9
Two factors are -2 and -7, we split the middle term -9x using -2 and -7
Group first two terms and last two terms
Then factor out GCF from each term
so x-2 is one of the factor
Answer:
10 so A
Step-by-step explanation:
<u>This</u><u> liberal arts college</u><u> has </u><u>all students</u><u> to study.</u>
<u />
The correct option is B.
What Is a Liberal Arts College?
- While many colleges and universities grant liberal arts degrees, a liberal arts college offers a focused liberal arts education.
- These colleges generally emphasize small class sizes and a curriculum centered on the humanities, arts, social sciences, and natural sciences.
What's the difference between a liberal arts college and a regular college?
- Most liberal arts colleges do not offer graduate school programs, unlike other universities.
- They also tend to have small campuses and class sizes; in fact, many classes have fewer than 20 students.
- Evans says some students find comfort in the sense of community that these more intimate settings can create.
Learn more about Liberal Arts College
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Answer:
241.5602
Step-by-step explanation:
Area of a semicircle is 
π
