Answer:
B, 24 (second answer choice)
Step-by-step explanation:
4r+7s=23
r-2s=17
8r+14s=46
7r-14s=119
15r=165
r=11
11-2s=17..........by putting value of r in ii
-2s=17-11
2s= -6
s= -3
3r+3s=3*11+3(-3) you get this by putting values of r and s
=33-9
=24 (B)
Angles 6 and 7, because they are alternate along the transversal.
Also angles 1 and 4.
Answer: {x,y} = {2,-4}
[1] x - y = 6
[2] 2x + y = 0
Step-by-step explanation: