The sum of the first three terms of a geometric sequence is 91 and its common ratio is 3 . Determine the first term of the sequence.

Chemistry balance then what type of reaction are they i don't know why it keeps saying math when i put chem

For each proportion find the unknown number x 1/5/8=×/15

Lv beethoven software supplies customized software to a managed healthcare system. lv beethoven software's costs for the software is $1,723,000. lv beethoven software sells the software to the healthcare system for $3,816,981.10. overhead expenses are estimated at 47% of the selling price. what is lv beethoven software's net profit to the nearest dollar?