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Help me 14 & 15 I NEED WITH WORK PLZ!!!!

Help me 14 & 15 I NEED WITH WORK PLZ!!!!-example-1
User Eactor
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1 Answer

4 votes
15) the surface is
( 9 + 5 ) * 2 * 10 + 9 * 5 * 2
14 * 20 + 90
280 + 90
370
User Ghassen Hamrouni
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5.5k points