Hello someone please help me The point A ( 3 , − 5 ) is reflected over the point ( − 1 , − 3 ) and its image is point B. What are the coordinates of point B

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?

How is this equation completed? i cannot find any examples in the book.