Answer:
10%
Step-by-step explanation:
I forgot but I used to know this one
Answer:
X=9
Y=2
Z=1
99+22=121
xx+yy=zyz
Step-by-step explanation:
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Answer:λ= v X f
v= λ X f
f= λ X v
v= λ / f
Step-by-step explanation: