Answer:
-7
Step-by-step explanation:
hello :
the common difference is : -8-(-1)=-1-6=6-13=-7
Answer:
6
Step-by-step explanation:
Straight line is 180
square = right angle=90
180-90=90
5x+(x+54)=90
6x+54=90
6x=36
x=6
Hope this helps :D
Answer:
30+75x
Step-by-step explanation: