Using sigma notation, describe the total length of 7 pictures hung side-by-side. Then find the total length the pictures occupy along the wall if the first picture has a length of 10 inches and the length of each successive picture is 4 inches longer than the previous one.

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alexwee123 · Answer

look at this one http://openstudy.com/study#/updates/4ff66e75e4b01c7be8c9695f exact same question :D

anonymous · Answer

thanks, duuuude!

alexwee123 · Answer

np but look at the last post in the question i put in cuz i made mistake half way :)