<span>89 is the correct answer.
</span>
solution
1) <span>Expand
</span><span>9x−6−12x
2) </span><span>Gather like terms
</span><span>(9x−12x)−6
3) </span> <span>Simplify
</span><span><span>−3x−6</span></span>
Step-by-step explanation:
A. parallelogram & Rhombus
B. trapezium
Answer:
b = 29.0, A = 123.9°, C = 20.1°