Plz tell me the victim and the murderer

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

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