How did Catherine the Great change Russia? A.
She modernized and westernized it.

B.
She reformed Russia's economy.

C.
She founded the Kievan Rus.

D.
She expanded Russia's territory.

B.

Explanation:

She modernized and westernized it. She did things like modernized the economy and government.

b. the passage of the equal rights amendment  

explanation:

this mean that anything that someone else could do they could do

the correct answer is:   "   3.6 % " .

          →   the unemployment rate is:   " 3.6 % " .

explanation:

to calculate the "unemployment rate" :

the "unemployment rate"   =

  [# of people unemployed] /   [working age population]   * 100 %   ;

                =   [9 million] / [250 million]     *   100 % ;

    →     note:   the units of "million" cancel out;

                    since:   " {million} / {million} = 1 " ;

                =   (9 / 250)   * 100 %   ;

                = 0.036 * 100 % ;

                =   3.6 %

answer:   the unemployment rate is:   " 3.6 % " .