Answer:
A = 5x^4
Step-by-step explanation:
Answer:7
Step-by-step explanation: 10 +10 +x+x=34
20+2x= 34
-20 20
2x=14 x=7
Answer:
55
Step-by-step explanation:
let the number=x
5x=7x-110
7x-5x=110
2x=110
x=110/2=55
It is a pyramid. a polygon meets with a polyhedron and make a pyramid
