The heliocentric theory challenged the * A)political scientists
B)observed patterns
C)geocentric theory
D)mathematical theories

explanation: d

b) the confederacy had to pay all union war expenses.

they thoght they were going to nuke each other

the fraction 18/22 is equivalent to 9/11.

in decimal form if needed

this is a proper fraction once the absolute value of the top number or numerator (18) is smaller than the absolute value of the bottom number or denomintor (22).

the fraction 18/22 is equal to 18÷22 and can also be expressed in decimal form as 0.818182.