X=-39/5 and y=10 :) i hope this helps you out !
Answer:The lateral area is 
Step-by-step explanation:
we know that
The lateral area of the right prism is equal to

where
P is the perimeter of the base
H is the height of the prism
Find the perimeter of the base P
----> the rhombus has four equal sides

substitute

Answer:The answer is D
Step-by-step explanation:I took the test I