In january 2012, the u. s. population was about 313 million people. in january 2017, it was about 324 million. what was the average rate of population change per year?

The average rate of population change per year will be 2.2 million.

The difference in population will be:

= 324 million - 313 million.

= 11 million

The difference in years will be:

= 2017 - 2012

= 5 years.

The average rate of population change per year will be:

= 11 million / 5

= 2.2 million

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its b

step-by-step explanation:

a. 74 degrees

step-by-step explanation:

because the lines through the side and the box in the corners shows that these are congruent triangles and since they are mirrored the 37 degrees is also mirrored so the answer is 37 * 2 which is 74.