Answer: 42
Step-by-step explanation:
If they are in parentheses, you are going to multiply them, and when you multiply two negatives, you make a positive. which gives you 42.
8.605
This number is bigger than 6.604 and it is smaller than 8.643
:)
Answer:
y = mx + b
Step-by-step explanation:
Use that form to find the slope.
Yes, because perpendicular lines go though each other.