A plane traveled for a total of 2,773 miles over the course of 8 hours. Heading south, the plane traveled at an average speed of 344 miles per hour, and heading west, it traveled at an average speed of 351 miles per hour. For how many hours was the plane heading south

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte

Find the area of the shaded region.

Similarly fie each expression 18,19,20