Step 1, because when distributing -5(x-1), both the negatives on the -5 and -1 cancel out. The correct outcome would be positive 5, but instead Luca puts -1.
It is 4 square cm hopefully that help with part of the question
Answer:
31%
Step-by-step explanation:
4848.60 - 3360.00=1488.00
45% of 20
20 times 0.45
= 9
The answer is 9