Please help with this! Thanks in advance

Answer:
B 124 square cm
Step-by-step explanation:
Area of the table = area of trapezoid + area of rectangle
[tex] = \frac{1}{2} \times (12 + 8) \times (11-7) \\\\= \frac{1}{2} \times (12 + 8) \times 4 + 12 \times 7 \\ \\ = 20 \times 2 + 84 \\ = 40 + 84 \\ = 124 \: {cm}^{2} [/tex]