If you needed help you would need to show what we would put in the boxes with the arrows but because you didn’t show that we can’t answer and help you
Answer:
<h2>cos(∠B) = CB/AB = ED/AD</h2>
Step-by-step explanation:

The answer is c 16. Square cm
Answer:
B. (-1, 2) and (4,7)
Step-by-step explanation:
Solve for the first variable in one of the equations, then substitute the result into the other equation.