Its c bc all of a triangles sides add up to 180 and if you do 32 + 93= 125 and then if you add 55 you get 180, sense the triangles are the same that means they have the same angles so if you add 93 + 55 you get 148 and 148 + 32 = 180

so, that gives you the compounded amount, after 10 years, if you want to know how much interest was earned? well, just subtract the Principal from the Amount, or A - P <--- that's how much interest was earned
It is true because if a is perpendicular to b and b is perpendicular to c therefore a has to be perpendicular to c also they said that all three lines are coplanar therefore the statement must be true
I hope this helped you out :)
I am not a college student so I am sorry or you could ask your friends.
Answer:
640.0
Step-by-step explanation: