4+4+6+6=12+8=20
hope this helps
Answer:
18a + 12x - 12a + 15x
6a + 27x
the answer is a
Step-by-step explanation:
The answer is 6 because if the total length is 10 and part of the total length is 4, 10-4 is 6
Answer:
18, -3
using the formula for midpoint M=(x1+x2)/2 ,(y1+y2)/2