may not know the answer that well but try this called symbolab. Hope that could help you
1:Replace the variables in the theorem with the values of the known sides.
2:Square the measures, and subtract from each side
3: find the square root of each side
Answer:
y = 
Step-by-step explanation:
Given
ya + yv = t ← factor out y from each term on the left side
y(a + v) = t ( divide both sides by a + v )
y = 
Answer:
x=25 y=5
Step-by-step explanation:
x=25
y=5
x*2=50
8*5=40
50-40=10