This Chinese poster reads, "Long live the victory of the Korean People's Army and the Chinese People's Volunteers Army!” This poster shows two soldiers, one Korean and one Chinese, holding up machine guns. One of the soldiers points to a caricature of Douglas MacArthur, who is bleeding and crawling away. Wrecked vehicles and a ragged American flag are nearby. Which statement best describes the reliability of this poster as a primary source?

if you use photomath right away it will give you the answer not like this app that you have to wait for people.

nope

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a