B, feet squared.
This is because we are finding the area of a square, not a cube.
The estimate should be 6.92
That would simply be
38.14 ÷ 4 = 9.535
thus he scored 9.535 on each event
A line parallel to the y-axis that passes through (77,88) is x = 77. There is no slope-intercept form of this equation if our coordinate system is based upon a horizontal x-axis and a vertical y-axis.
