WILL GET BRAILIEST FOR CORRECT ANSWER if x^2=20, what is the value of x?

a. +_ sqrt 10
b. +_sqrt 20
c. +_ 10
d. +_40

(the +_ is that weird symbol that has the plus sign on top of the underscore, i forget what its called)

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28