
Negative multiply negative = Positive
Negative multiply positive = negative

Thus the answer is -4a + 16b - 12c - 12d.
Answer:
None.
Step-by-step explanation:
A triangle has 3 sides so any pair of parallel lines is impossible.
Vectors and scalars are not the same quantity
So distributive property of multiplication says
a(b+c)=(ab)+(ac)
so 2/3(6x+12)=((2/3)6x)+((2/3)12)=12/3x+24/3=4x+8=4(x+2)
Answer:
87
Step-by-step explanation:
Because in that set of data 85 and 89 are in the middle so you have to find the number between 85 and 89 and it is 87