Find the area enclosed by the figure . answer exactly or round to at least 2 decimals

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.