Answer:
ummmmm
Step-by-step explanation:
Answer:
A: 8+9+10=27
9+10+11=30
10+11+12=13
B: 19+20+21
C: There isn't any.
Step-by-step explanation:
It just is lol.
124 sq in...................
1. Subtract 6 from both sides now you would get..
2z=-10
Now divide each side by 2z and you get
z= -5
So the answer is -5
Answer:
42 square yards
Step-by-step explanation:
T.S.A of cube

where l = 7yd

thus, the surface area of cube is 42 square yards