Tell whether the sequence is arithmetic. if it is what is the common difference?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2