Answer:
x=13.9
y=16.6
Step-by-step explanation:
13²=x²=5² (hypotenuse theorem)
-x²=5²-13²
-x=√-194
-x=-13.9
x²=9²+y²
13.9²=9²+y²
-y²=-13.9²+9²
-y²=-274.21
-y=√-274.21
-y=-16.6