Answer:
A pair of vertically opposite angles are always equal to each other.
Answer:
x^2 + 4x - 5
Step-by-step explanation:
We need to simplify this
xx - 1 * x +5x - 5 * 1
Simplify further
x^2 + 4x - 5
Thus, we have our answer
The most groups that can be made is the greatest amount that both 12 and 28 can be divided by, or 4. These four groups will each have three girls and seven boys.