Simplify -|-5 + 2|. i'm not good with math, can someone me how to simplify, i have no clue to solving these questions that ask me to simplify, on my online schooling i wish to get better. for the time : )

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

I'm confused on this could anyone me and show me what i need to do to solve it.