Can someone help me with 1 plss

Which type of notes dip or blend by a quarter or half step and swoop up to higher pitches to make jazz sound more like a human voice

Using the correct order of operations, what does this formula equal? =(4-2)*6/2.

& hurry! i need this done by 3: 00 pm! changes in artists' art brought about by the inventions of automobiles and trains shows that society influences what? brainliest whoever gets it correct!