Add the two expressions. −4.2x+3 and 2.5x−6 enter your answer in the box.

What is the total area of the figure?

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school. each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220

Find the area of the region between a regular hexagon with sides of 6" and its inscribed circle.