Which expression represents the distance between point (0, a) and point (a, 0) on a coordinate grid?
StartRoot 2 a squared EndRoot
StartRoot a Superscript 4 Baseline EndRoot
StartRoot 2 a Superscript 4 Baseline EndRoot
0
What is the length of segment RS?
On a coordinate plane, line R S has points (negative 4, negative 3) and (1, 9).
StartRoot 65 EndRoot
12
13
StartRoot 153 EndRoot