This is question 3 of my first post

It says factor each expression completely 8y+48

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.