Answer:
9
Step-by-step explanation:
A, B & C form the vertices of a triangle.
∠ CAB = 90°, ∠ ABC = 73° and AB = 9.4.
Calculate the length of BC rounded to 3 SF
First, keep in mind that two negatives make a positive:
-13w^2 + 13 + 2w^2
-11w^2 + 13