sin45=5/x so x is 5/(sin45)
y is 5/(tan45)
question 5 then you just go x= (9sqrt(2)/2)/sin45
i don’t have a calculator rn so just plug it into it
Suggestion: Please show the problem for the questions, or I'm afraid I can't help!
Equations are expressions with equal values
The equation that links x and y is 
<h3>How to determine the equation</h3>
The ratio is given as:

Express the ratio, as a fraction

Cross multiply

Evaluate the product

Hence, the equation that links x and y is 
Read more about equations at:
brainly.com/question/7784687
17.55 dollars for every single
It would be: 11 1/9 = 100/9
So, Your Final Answer would be 100/9
Hope this helps!