What are TWO equivalent expressions for 2(3j+ 5 + 6j) Remember I need TWO equivalent expressions.

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

The step function g(x) is defined as shown. what is the range of g(x)? ***answer choices in picture.

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?