NOLAN
4. If a = 2, b = -2, find the value of:
(i) a2 + b2​

Using complete sentences, outline two specific examples of how technology advances make the world seem smaller.explain what it means to say the world is “shrinking”

Why did macarthur want to invade china? why did truman oppose this?

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat