Which of the following expresses has a value of four

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

(x-5)1/2+5=2 what is possible solution of this equation