Answer: 16 books
Step-by-step explanation: 4 books each day for 4 days 4x4 = 16
Answer:
3
Step-by-step explanation:
7
(-1^2)x 3 = 3
-1 x 4 = -4
3--4 = 7
(0, -1)
((4 + (-4))/2, (2 + (-4))/2) =
(0/2, -2/2) =