Answer:
Step-by-step explanation:
2s + t = r
t = r - 2s
Answer:
x = 65
Step-by-step explanation:
The opposite angles of a cyclic quadrilateral sum to 180° , then
x + 115 = 180 ( subtract 115 from both sides )
x = 65
Answer: 
Step-by-step explanation:

The answer is :
Y-21=-21/11 (X -7)
Hello!
45 + 10 + 6 = 61
So, your answer is 61.
I hope that was helpful! c: