The answer is:
The wife was on a life support machine that runs on electricity. When the elevator stops, there may be a power failure or blackout. this cause the power supplied to the hospital to be cut off. That means that the life support machine that keeps his wife alive...
linear magnification= height of object x object distance from lens
since the lens are 7x40, the problems is easy.
7x40=280
taking reference to the number of binoculars, number of binoculars is (280+63)x7
lens size = number of lens x combined magnification
therefore, (7x40)=(280+63)x7 is the...
1. your shadow
2. so just finish your vegetables
3.meat
4.palindromes
5.the letter g
6.a secret
7.the horses name is Friday
8.a coffin
9.beetle
10.There are 3 men: a grandfather, his son, and his grandson
11.smiles