Can someone plz help me. I don’t understand:(

Which expression is equivalent to 4 square root 6 divided by 3 root 2

Select the correct answer. joshua likes to read. he read 6 books when he was 6 years old. every year he doubled the number of books he read the previous year. how many total books did he read between the ages of 6 and 10? a. 60 b. 90 c.186 d.187

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices