Anton's family drove 216 mi to the lake averaging 48 mi/h. On the return trip home they averaged 54 mi/h. What was the total time that Anton's family spent driving to and from the lake?

8.0 h

8.5 h

9.0 h

9.5 h

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?