Answer:
63
Step-by-step explanation:
Total groups: 21
number of students in each group: 3
total = 21 *3 =63
We are given
The average income, I, in dollars is
(a)
now, we are given
average income is $275000
so, 
now, we can set them equal
and then we can solve for x
we will have to use quadratic formula
we get
we need to find youngest age
It means that we need to choose smallest value
so,
............Answer
(b)
we are given
x=40
so, we can plug it and find I
..............Answer
Answer:
m = 2
Step-by-step explanation:
To find the slope, simply use this equation:
m = y2 - y1 / x2 - x1
Now we need to insert some points:
m = 10 - 0 / 11 - 6
m = 10/5
m = 2
Therefore, the slope of the line is 2.
Answer:I need to see images in order to answer:/
Step-by-step explanation:
The answer is $9,100
6,500 x .08 = 520
520 x 5 = 2,600
2,600 + 6,500 = 9,100
Hope this helps!
