7. \( 5 \times 2+3^{2} \) 9. \( (11-8)^{3}-2 \times 6 \) 11. \( 12+\frac{9^{2}}{3} \)

Let's break it down! For the first expression \( 5 \times 2 + 3^{2} \), follow the order of operations: first do the exponent, where \( 3^{2} = 9 \), then solve \( 5 \times 2 = 10 \). Adding those together gives \( 10 + 9 = 19 \). Now, for the second expression \( (11-8)^{3} - 2 \times 6 \), first compute the parentheses: \( 11-8 = 3 \) and then raise it to the power of 3, yielding \( 3^{3} = 27 \). Next, calculate \( 2 \times 6 = 12 \), and finally subtract: \( 27 - 12 = 15 \). Lastly, in \( 12 + \frac{9^{2}}{3} \), start with \( 9^{2} = 81 \), then divide that by 3 to get \( 27 \). Add this to 12 for a final result of \( 12 + 27 = 39 \). Now you've tackled these calculations like a pro! Keep practicing to sharpen your math skills!