The other two angles would also be 120 and 40 because the opposite angles of parallelograms are equal
It is negative.
When you subtract a negative a positive number from a negative number, the result is positive. The equation can be rewritten as -8.8-(+3.4).
$132.55-($15*12)=$132.55-$180=$-47.45
So then he would have owed 47.45 dollars!
Idk exactly what your question is asking, but I think you are doing genetics? If you are then you are talking about a punnet square. All four boxes should be heterozygous(Cc). Hope this helps.