The total angle sum of a triangle is 180°
As such, 180= 78 + 2s +4s
102= 6s
s=17
16:29:15 I think that would be it but, I'm really sorry if that's not right
When x=9 the expression is undefined.
That is because any number over 0 is undefined, including 0/0.
Answer:£149
Step-by-step explanation:
