Answer:
Ya the person above me is right 4cd
Each package costs 21 dollars. I’m not sure about the second part of the question mate, sorry.
Answer:
n to the second power is 1
the square root of n is 2 square roots called √n and −√n √n2 = |n|
n = n
Step-by-step explanation:
Answer: 22.87 dollars
Step-by-step explanation:
15+7+0.87= 22.87
(Had to round the number bc the real answer would have too many numbers, so hopefully this still works. The original one was 22.875)