Yes, she is correct
1/2 + 1/2 = 1 or 0.5 + 0.5 = 1 so half of a wall plus half of a wall equals one hole wall.
That's as simple as I can put it mathematical reasoning. I hope this helps
Answer:
AC = 30
Step-by-step explanation:
Start with:
Combine like terms.
Subtract 
from both sides of the equation.
Subtract 
from both sides of the equation.
Then, substitute for 
in 
Multiply.
Finally, add.
Every time you are -3, the next terms would be -7, -10, -13
Answer:
⊥
Step-by-step explanation:
d and b meet at a 90 degree angle ( as shown by the box)
The lines are perpendicular (⊥)
