Answer:
t= 2
Explanation:
[tex] 64 = 16{t}^{2} [/tex]
[tex] \frac{64}{16} = \frac{16 {t}^{2} }{16} [/tex]
[tex]4 = {t}^{2} [/tex]
[tex]t = \sqrt{4} \\ t = 2[/tex]
