Answer :
[tex]d = \sqrt{(x_2 - x_1)^{2} + (y_2 - y_1)^{2}} [/tex]
[tex]d = \sqrt{(10 - 7)^{2} + (4 - (-5))^{2}} [/tex]
[tex]d = \sqrt{(3)^{2} + (4 + 5)^{2}} [/tex]
[tex]d = \sqrt{9 + (9)^{2}} [/tex]
[tex]d = \sqrt{9 + 81} [/tex]
[tex]d = \sqrt{90} [/tex]
[tex]d = 9.49[/tex]
It is equal to C.
[tex]d = \sqrt{(10 - 7)^{2} + (4 - (-5))^{2}} [/tex]
[tex]d = \sqrt{(3)^{2} + (4 + 5)^{2}} [/tex]
[tex]d = \sqrt{9 + (9)^{2}} [/tex]
[tex]d = \sqrt{9 + 81} [/tex]
[tex]d = \sqrt{90} [/tex]
[tex]d = 9.49[/tex]
It is equal to C.