a) [tex] \sqrt{7-48} [/tex]
b) [tex] \sqrt{21+320} = \sqrt{341} [/tex]
c)[tex] \sqrt{8-28}
d)[tex] \sqrt{5+24} = \sqrt{29} [/tex]
e)[tex] \sqrt{4+12} = \sqrt{16} =4[/tex]
f)[tex] \sqrt{27-200} [/tex]
g)[tex] \sqrt{4-12} + \sqrt{16} = \sqrt{4-12} +4[/tex]
h)[tex] \sqrt{9+80} + \sqrt{14-180} + \sqrt{89} + \sqrt{14-180} [/tex]
i)[tex] \sqrt{15-176} - \sqrt{20+396} = \sqrt{15-176} - \sqrt{416} [/tex]