Can someone please help me with these two questions?

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0