<span>m, because triangle ABC is similar to triangle EDC (by 3 congruent angles).</span>
Answer:
okok I willl hel0 you out
Answer:
22
Step-by-step explanation:
10^2-9(9)+3
100-81+3
19+3
22
You need the Law of Sines for this. In our case we have the measure of angle B and side b, we have the measure of angle A and are looking for side a, or x. Setting up the Law using our info, we have

. We will solve for x by multiplying both sides by sin(42):

, first choice above.
Answer:
Your answer should be -8.