What impact did rapid-fire machine guns have on the course of the war?
a. they gave germany a strong technological advantage on the eastern front.
b. they contributed to high casualty rates by allowing troops to attack targets miles away.
c. they supported allied offensives by allowing troops to move into "no-man's land."
d. they prolong the stalemate because they made it difficult for troops to advance.

it is

a

asked for and recieved from the united states

they made rome the dominant power in the mediterranean.

a. the astrolabe could determine the correct latitudinal location of the ship

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".