Answer:
(1, 2), (2, -3), (3, 4), (4, -5)
Step-by-step explanation:
Answer:
x = 17.9
Step-by-step explanation:

The answer is 0, 1/3 of 21 is 7, 7-1=6, 1/2 of 12= 6, and 6-6=0. Hope this helps!
Answer:
9.5
Step-by-step explanation:
9.5x9.5= 90.25 which is the closest you can get without going into further decimals