People who conduct public opinion polls are called what

People who conduct public interest poll or public interest surveys are largely public opinion researchers.

Explanation:

A public opinion poll is generally a request for personal comments or points of view to a specific group of people.

The researchers who carry them out do so mostly to know the functional circumstances of a job, with the aim of recognizing good or bad patterns in the performance of the person leading the job or in the performance of a product.

There are several types of opinion polls, for example:

- Comparative surveys .

- Opinion polls .

- Consumer monitoring surveys.

8 - (2a + 7) = a + 40     distribute/multiply - into (2a + 7)

8 - 2a - 7 = a + 40

1 - 2a = a + 40       add 2a on both sides

1 = 3a + 40         subtract 40 on both sides

-39 = 3a       divide 3 on both sides

-13 = a

[proof]

8 - (2a + 7) = a + 40

8 - (2(-13) + 7) = -13 + 40

8 - (-26 + 7) = 27

8 - (-19) = 27

8 + 19 = 27

27 = 27