When vanessa's 3ds is fully charged it lasts for four hours. if she only charged it three-quarters full, how long would it last?

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts

Which geometric principle is used to justify the construction below?