B. Noun
an object pronoun takes the place of a/an noun in the object part of a sentence
This sentence is weak - because its hard to understand! She handed the castle project to her teacher that was late? Was the project or the teacher late?
x(angle1)+(3x-5)(angle 2)=143(sum of both angles).
x+3x-5=143
combine like terms: 4x-5=143
add 5 to both sides: 4x=148
divide both sides by 4: x=37
substitute for x: angle 1=37, angle 2= 106