Answer:
it is an acute scalene triangle
2b+15
2 dollars for each book so you multiply it by the number of books and add 15 because it is a one time fee.
Answer:

Step-by-step explanation:
It doesn't matter if you're translating your graph up or down, all you have to do is add or subtract by the value given
3 units down = - 3
if it was 3 units up tho it'd just be + 3 instead!
Answer:
B. lie on different lines
Step-by-step explanation: