Please help me on these 11 questions

When only separate discreet points are graphed it is called?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

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?