Hirapsamathviz
Answered

1. 3 = 12
2.  = 150
3.  = 9/16
4. (s-4)² - 81 = 0
5. 3h² - 147 = 0

Sagot :

VilesXviz
for numbers 4 and 5

4. (s-4)² - 81 = 0
    s² - 4s + 16 - 81 = 0
    s² - 4s - 65 = 0
    [tex]s=2+ \sqrt{69} [/tex]  and  [tex]s=2- \sqrt{69} [/tex]


5. 3h² - 147 = 0
      h² = 147/3
      [tex]h^{2} = \sqrt{49} [/tex]
      [tex]h=7[/tex]