What does the y-intercept of the graph represent? price of a bar of chocolate number of bars sold in 2000 number of bars sold before 2000 rate of increase in the sale of chocolates

Just tell me how to set up the equation.

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.