Find the value of K to complete the square for the quadratic function y=x to the second power - 6x + k PLEASE HELP IT WOULD BE APPRECIATED IF U HELPED MEE

Which of the following is correct interpretation of the expression -4+13

X^2/100+y^2/25=1 the y-intercepts are at: a) (-10,0) and (10,0) b) (0,10) and (0,5) c) (0,-5) and (0,5)

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected