Anton's family drove 216 mi to the lake averaging 48 mi/hmi/h . on the return trip home they averaged 54 mi/hmi/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

What is the equation of this graphed line? enter your answer in slope-intercept form in the box.

The width of a rectangle is 20 units. can the perimeter p of the rectangle be 64 units when its length x is 11 units? no, because p = 2x + 2(20) no, because p ≠ 2x + 2(20) yes, because p ≠ 2x + 2(20) yes, because p = 2x + 2(20)

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle