Given: ∆abc, ab = cb

bd− median to ac
e∈ ab, f∈bc
ae = cf
prove: △ade ≅ △cdf
δbde ≅ δbdf

Answer this question! 30 points and brainliest!

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =