Can someone help me? I need to fill in the blanks.

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

According to the data set, where should the upper quartile line of the box plot be placed?

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units