Answer:d
Step-by-step explanation:
16-4=12 and 16+4=20
The way you find area is multiplying width times height, so you have to multiply 15 by 4 which equals 60. Therefore the answer is 60
A ) P=6n+18 where N is the number of triangles. There's always two '9's and the 6 is based on how many triangles there are.
Answer:
i think its c i could be wrong but just go with your gut felling
Step-by-step explanation:
Answer:
x=28
Step-by-step explanation:
180= 38 + (4x+30)
142= (4x+30)
112=4x
x=28