Error analysis: Erick and Jasmine solved the quadratic function x2+8x-20=0 by completing the square. Justify who is correct and identify the error.

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

W-16=-12 solve each one step equation plz

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.