There are six basic types of population pyramids. true false

the answer is false There are three types of population pyramids: expansive, constrictive, and stationary.

The answer to this question is: False.

There are 3 stages of population pyramids, which include:

-Constrictive

-Expansive

-Stationary

That being said, the answer to this question is False.

I hope this helps! :)

-LizzyIsTheQueen

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.

(4,-2)

explanation:

6x+4y=16

-6x-9y=-6

-5y=10

y=-2

x=4