Use the interactive protractor to answer the questions below. The measure of AnglePQR in degrees is .

Angle PQR is a(an)

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

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