Hi how do I solve this math equation

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

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

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?