What contemporary jazz artist was one of the first to use a synthesizer in their recordings?

What did the brown board of education decision do? o a it established 'separate but equal" segregation o b. it supported cultural segregation in the classroom o c. it banned racial discrimination everywhere. o d. it ruled that segregation in schools is unconstitutional

After the congress of vienna europe

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps