Answer: equals Z
Step-by-step explanation:
simple you do y divided by mass energy
Answer:
TE=11
Step-by-step explanation:

(you can't use -7 cuz that would make TE a negative distance and that's a nono)

Answer:
121, 144
Step-by-step explanation:
√121= 11
√144= 12
Answer:
car a-50 kilos per hour
car b-55 kilos per hour
car b is faster
Step-by-step explanation:
150/3=50
220/4=55