What is the slope of the line through points (8, -3) and (2, 1)?

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

Anyone know these questions? i need ,.

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8