For this case we must indicate the cosine of A, of the figure shown. By definition:

Substituting the values we have:

So, we have to:

Answer:
Option D
Answer:
$8.50
And I’m sorry it looks like a number is missing from the second question
Step-by-step explanation:
3.5+(4*1.25)=8.5
Your answer is y=15 for your problem