-64 + -4 = -68
That is because 64 + 4 = 68 and the negatives in this case are the same way as if it was all positive.
Answer:
Step-by-step explanation:
125,000×1.05⁷ ≈ 175,888
Answer:

will give you an explanation if you want tag me on comment.
6.23 is the answer you get that by square root 40