if the equation x^2 +(k+2)x+2k=0 has equal roots, then the value of k is a.2 b.-2 c 1/2 d. none ​

Which of the following is the true for f(x) = 5cos

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e