Answer:
x = 1
y = 30°
Step-by-step explanation:
is RS is ⊥ to TU then TS = US so we can use this equation to find 'x':
20x-3 = 5x+12
15x = 15
x = 1
we also know that RS intersecting with TU creates a 90° angle
if 3y = 90 then y = 30
Add up the x points and divided by 2
same to go for the y points
so the and is (4,-2)
Y/x=k
when y=9, then x= -3
9/-3=-3
⇒ k= -3
4th option is correct.
look at the picture i sent