According to RAND, what is the long-term average aggregate difference to taxpayers between a black male student who drops out of high school and a black male student who graduate? a. About $100,000
b. About $200,000
c. About $300,000

[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