13- 8
17-19
16- 16
All I did was add them up you could also multiply by two because you could
Answer:
4
Step-by-step explanation:
..........................
NL= 2x-2
x=7
2 (7)-2
14-2
NL=12
x=7 because the angle is 90°
so 9x+27=90
-27 both sides
9x=63
÷9 both sides
x=7
Answer:
-a,2b
Step-by-step explanation:
here is your answer