Step-by-step explanation:
f(x) = 1
f(-2) = 1
Constan function f(n) = k, n and k elemen real
Answer:
The $2,000 decrease in Carlos's taxable income will save him

Step-by-step explanation:
i) Carlos is in the 12% tax bracket.
ii)The $2,000 decrease in Carlos's taxable income will save him

First case:
average of test score =70
number of students =p
total score of 'p' students = ( average of test score)*( number of students)
total score of 'p' students =70p
Second case:
average of test score =92
number of students =n
total score of 'n' students = ( average of test score)*( number of students)
total score of 'n' students =92n
total number of students = p+n
total average score =86
so, total score =86(p+n)
total score = total score of 'p' students +total score of 'n' students

now, we can simplify it



now, we can find p/n

................Answer
Answer:
19.3795 m
Step-by-step explanation:
If sound travels at 343 m/s and it took Karen 0.113 s to hear the echo from the wall, the distance travelled by the sound is:

Note that the distance calculated above is the distance travelled from Karen to the wall and then back from the wall to Karen. Therefore, the distance between Karen and the wall is:

The wall is 19.3795 m away from Karen.
Answer:
25%
Step-by-step explanation:
% Change = Change ÷ Original × 100
% Change = 19 ÷ 76 × 100
% Change = .25 × 100
% Change = 25