Answer:
as in the question it is given that 50 people liked both songs 40 liked folk songs and 80 liked none of the song so we can add the number of people
50+40+80
170
Step-by-step explanation:
the people involved in the survey were 170
Answer:
5300 people
Step-by-step explanation:
265 = .05x
Use the formula m = y2 - y1 / x2 - x1
-2 - 3 / 7 - 4
-5 / 3
the slope of the line in simplest form is -5/3
Step-by-step explanation:

Add 1 to both sides of the equation:

Note that

Likewise,

Therefore,
