Answer:
Its less then i think m in hurry so u check too
18) 54.8 centimeters
19) 0.05 liters
The IQR or interquartile range is the difference between Q1 and Q3, also know as the upper and lower quartiles.
The answer you are looking for is the last choice (-2,-7).
if further proof and or work is needed this link will take you to a calculator that shows all work and the answer.
https://www.symbolab.com/solver/function-vertex-calculator/vertex%20f%5Cleft(x%5Cright)%3D3x%5E%7B2%7D%2B12x%2B5
:)
Answer: it is called the slope intercept
