Answer:
2) Ans;
[tex]\frac{( - 19) - ( - 7)}{5 - ( - 9) - 10} \\ \\ \frac{ - 19 + 7}{5 + 9 - 10} \\ \\ \frac{ - 12}{4} = - 3
[/tex]
4) Ans;
[tex]( - 3)^{3} + \frac{12}{4 - 2} \\ \\ - 27 + \frac{12}{2} \\ \\ - 27 + 6 = - 21
[/tex]
6) Ans;
[tex] \frac{8 \times 2 \times 2}{ - 8} - 2 \\ \\ \frac{24}{ - 8} - 2 \\ \\ - 4 - 2 = - 6[/tex]
I hope I helped you^_^
