Answer:
Your answer is A.
Hope this helps!
Step-by-step explanation:
Line r's equation is
y = - 4/3x - 4
And Line s's equation is
y = 2/5x - 2
1/5
Answer: -3
Step-by-step explanation: 15 - 18 = -3
Answer: x = 20
Right angle = 90
90 - 47 = 43
43 - 3 = 40
40/2 = 20
185
11/2??????