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A scale drawing of a rectangular room has dimensions 72 feet by 40 feet. The scale to be used is 1 in : 8 ft. What will be the perimeter? Please demonstrate how to solve this problem step by step using PEMDAS
3-5*(-1)/(1-3*(-1))
Thank you.? Half of them are fantasy, 1/4 of them are biographies, 1/8 of them are mysteries, and 6 of them are sports books. How many books total? What is the electrostatic potential energy (in joules) between two protons that are separated by 66 pm
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Help please? In addition to carboxylic acids, what other carbonyl compounds could be used to prepare esters?