Answer:
i don't know football but that's nice dude
Answer: (a) (
) = (3,2)
(b) (
) = (19,-7)
Step-by-step explanation: Midpoint of a segment is halfway between 2 endpoints. It is calculated using the formulas:


Isolating
:


And
:


(a) Replacing values and calculating
:


Calculating
:
![y_{2}=[2*(-1)]-(-4)](https://tex.z-dn.net/?f=y_%7B2%7D%3D%5B2%2A%28-1%29%5D-%28-4%29)


(b) 


= -7

Answer:
72.5%
Step-by-step explanation:
The fraction is $21.75/$30 = 0.725.
To make this a percentage, multiply by 100%:
... 0.725 × 100% = 72.5%
_____
We assume the question is correct as written: "<u>of</u> the regular price." The answer is the complement of this, 27.5%, if the wording is supposed to be "<u>off</u> the regular price."
Answer:
b
Step-by-step explanation:
second option 400/3
Answer:
what is the unit and class
Step-by-step explanation: