Find the area of the triangle with a =63°, b = 9 feet, and c =7 feet. round to the nearest tenth.

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Which number completes the inequality? 2/3 < _ < 7/9

Are the corresponding angles congruent? explain why or why not.