PLEASE HELP! 10 POINTS! find the maximum value of c=x+y subject to the constraints:
2x+y≥20
2x+3y≥36
x≥0
y≥0​

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?