Answer:
-7
17
Step-by-step explanation:
Top, right because the numbers are increasing by the same amount (2 in this case).
Answer:
25%
Step-by-step explanation:
Discount = 1600 - 1200 = 400
Percentage discount

Answer:
B
Step-by-step explanation:
Once you subtract both sides, the 4 is gone then the 10 is subtracted into a 6. You go to the 3x, and just like what you did to the 4 you do the opposite and divide the 3 by itself and the 6 by 3 as well.