Answer:
18
Step-by-step explanation:
![\frac{-72}{-4} = 18](https://tex.z-dn.net/?f=%5Cfrac%7B-72%7D%7B-4%7D%20%3D%2018)
B)5y+4 and 7y+4-2y
y=2
5(2)+4=14 7(2)+4-2(2)=14
y=5
5(5)+4=29 7(5)+4-2(5)=14
Answer:
For the first one im pretty sure its 81
For the second one, Im pretty sure its 30.
sorry if theyre wrong... :(
Step-by-step explanation:
Answer: its c
Step-by-step explanation:
because the situation describes two lines that have the same and different y-intercepts
These lines are perpendicular
because if you graph them they intersect and form right angles.
another way you know that they are perpendicular is reciprocal slopes
meaning they are totally opposite or (flipped)