Answer:
Remember, the expansion of
.
Then,

a) since
, then
. Therefore, the coefficient of
is 
b)
. Then k=5 and the coefficient of the term is 
c)
, then k=4 and the coefficient of the term is 
Answer:
A "sample" from a population is a small group of poeple chosen, such as 200 people is a sample of people chosen from a total of 5000
Answer:
167
Step-by-step explanation:
Let n be your first number. Then the second number is 5n; and the third number is n+100. So:
n+5n+n+100=569
I believe it’s 150 feet per minute
Answer:
f^-1(x) is 6x + 48
f(x) = 1/6x - 8
To find f^-1(x) equate f(x) to y
That's
f(x) = y
y = 1/6x - 8
Next interchange the terms
We have
x = 1/6y - 8
Make y the subject
Multiply through by 6
We have
6x = y - 48
y = 6x + 48
Therefore f^-1(x) is 6x + 48
Hope this helps you