Al predicted that he would sell 220 hot dogs at lunch time. when the hot dogs ran out, 35 people were still waiting in line to buy hot dogs. what was the percent error in the estimate? round the answer to the nearest tenth. the percent error!

3/4 = c/36 i need with this fraction proble.

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno nina made two errors in the proof. identify and correct the errors.

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.