Answer:
the first answer is: y=2x the second answer is y=2x+10
Step-by-step explanation:
I think this is what your talking about
Answer:
11. a)50 12. a)40
Step-by-step explanation:
sum of all three angles of trinagle=180
so
111.
80+50+x=180
130+x=180
x=180-130
x=50
12.
60+90+x=180
150+x=180
x=190-150
x=40