Answer:
AB=9.49
Step-by-step explanation:
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The correlation coefficient r of the data set is <em>-0.28</em>
y=35
10(y+7)=12y
10y+70=12y
70=12y-10y
70=2y
70/2=y
35=y
therefore, y=35
a) 15m²
b) 750cm³
(3+2)/2=5/2=2.5
2.5x6=15
1/20=x/15
15=20x
x=15/20
x=3/4 = 0.75
1 liter is 1000cm³
1000x0.75
