1) A
time (week) 1 2 4 8 10
time (days) 7 14 28 56 70
B
X= days ( depended )
Y= weeks ( independed)
you should find the constant: Y= x/1 ( well in fact i dont remember)
you'll ask. why? well, days depends of the weeks that are
2)
oxygen atoms 2 5 17 120
hdrogen atoms 4 10 34 480
y=x/4
a little problem: i didnt remember the order of the X and Y, but i think is ok
