Hi there!!
Your answer is 20.
Since A = 40 and B = 20
Subtract 40 by 20 to get 20 (40 - 20 = 20)
Hope I Helped
Answer:

Step-by-step explanation:
This can't be factored with rational numbers.
Answer:
5.6
Step-by-step explanation:
3.4-2.3=1.1
2.3+1.1=3.4
3.4+1.1=4.5
4.5+1.1=5.6
-9x-5y=12
C) (2, -6) -18+30=12
Answer:
-6.5
Step-by-step explanation:
-2(p - 1) = 15
-2p + 2 = 15
-2p = 13
p = -6.5