Good morning! can y'all out? x^2+8x+20=0 solve for x over the complex numbers

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.

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

For the feasibility region shown below find the maximum value of the function p=3x+2y