The answer is AB={12 21 32 45}
a polygon with seven sides is called a heptagon
Y= -9x
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8
hope this helps
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To find the mean all you have to do is add all the numbers...
you should get -30
and divide by a number of numbers, there are 6
so -30/6 is -5
h=9
A=((a+b)/2)h
234=((32+20)/2)h
234=(52/2)h
234=26h
9=h
