To get to work, you drive for 20 minutes at 30 mph, and walk 10 more minutes at 3 mph. what was your average speed? a.16.5 mph b.20 mph c.21 mph d.23 mph

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

Whats the name of the vertical axis

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%