Ijust need 5 and 6 they are piece wise functions. i need the graphing and everything. also i have to show my work. pls ya girl out.

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?

Which rule describes the composition of transformations that maps △abc to △a”b”c