Answer:
b = 24
Step-by-step explanation:
[tex]b^{2} = c^{2} - a^{2}[/tex]
[tex]b^{2} = 25^{2} - 7^{2}[/tex]
[tex]b^{2} = 625 - 49[/tex]
[tex]\sqrt{b^{2}} = \sqrt{576}[/tex]
[tex]b = 24[/tex]
