Use the graph to estimate the number of hybrid cars sold at a local car dealership in 2005. A.180 B.400 C.240 D.360

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?

Precalculus question, image attached.

A+b= 17, ab=70, find the value of |a-b|