Answer:no
Step-by-step explanation:
first, you watch anime so your already big brain, you also watch that Luffy show which is old so your old so your smart...logic. Another reason is that your user name is "Key Master" referring to the og ghostbusters which is old. Now we know that you have more knowledge(cuz you've been on earth longer, also it says your in middle school) your smart.
4.3d+7.5=5.8d
-4.3d -4.3d
7.5=1.5d
/1.5 /1.5
5=d
B
42 times 25.5=1071
771.1/1071= 0.72
(rounded)
not sure
The 7 before the decimal would be classified as a tenth