Y=-5 sketch the graph

In a school 2/3 of the students study a language of those who study a language 2/5 study french

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50