How did stone age cultures interact with their environment a: they depended on their physical environment to provide food. b: they used only their hands, not rocks or stones to hunt animals. c: they built homes in caves, which they refused to leave before they died. d: they controlled their environment to produce their own food.

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34

c. troops marched forward in close formation against newer, more accurate weapons

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.

sharecropper (you may punch em in the face if im wrong lol)