Answer:
60 dollars
Step-by-step explanation:
Answer: Perpendicular.
Step-by-step explanation:
If you multiply the slopes together you will get -1:

<em>Parallel means they have the same slope, so that is easily ruled out here.</em>
Answer:
im pretty sure its A
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
31 + 9=40
cause u need to change the negative into positve and change the minus into plus
X + 5y + 2 - 7x + 5y + 2y - 7x
First collect like terms (the numbers that have the same letters after them):
x - 7x - 7x = -13x
5y + 5y + 2y = 12y
Then put these back into the expression:
2 - 13x + 12y