Answer:
ask siri she helps for each question
Step-by-step explanation:
It would be 99%. If you draw the normal distribution curve and plot the mean and standard deviation, it might help you visually.
:)
Answer:
x= first number y= second
x=2y+9 and x+y=129, these are the equations...solving gives x=89,y=40
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
I think so..
Answer:
here's your answer
Step-by-step explanation:
i hope you will like it!!