The IQR is q1-q3! Put the numbers in order, least to greatest. then find the quartiles.
Answer:
6^2 - (3*-4)+20
6^2 - (-12)+20
36+12+20
48+20
68
Let me know if this helps!
There’s technically two answers, you could put Angles 3 and 6, or Angles 7 and 2
The ratio 7:9 can be converted to the fraction
, which is in simplest form