A coin has a diameter of 22 millimeters. What is the area of the coin? Use 3.14 for T. Round your answer to the nearest tenth.

Starting at home, emily traveled uphill to the hardware store for 606060 minutes at just 666 mph. she then traveled back home along the same path downhill at a speed of 121212 mph. what is her average speed for the entire trip from home to the hardware store and back?

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120

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.