The sum of two numbers is 310. Their difference is 60. What are the two numbers? Please explain your thinking / how you solved it instead of just saying the answer without telling me how you solved it

Determine the quotient of the following expression. (15n^2-27n) / 3

Cynthia takes her dog to the park every 2 days. she bathes her dog every 7 days. if she took her dog to the park and bathed him today, how long will it be until she does both on the same day again?

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?