Answer:
it means absolute valuen so anything inside becomes a positve.
Step-by-step explanation:
Answer:
1/2 hr 27.5
1 1/2 hr 82.5
last one is 2 hr and 110
Step-by-step explanation:
It could be a deltahedron. A deltahedron has all faces being an equilateral triangle. The amount of faces can vary from 4, 6, 8, 10, 12, 14, 16 and 20.
