The independent variable is the type of material the balls are made from
B or 12 would be the correct choice!
Hope this helps and mark as brainliest please!
Answer:
The correct option is D
Step-by-step explanation:
A categorical variable is a variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other unit of observation to a particular group or nominal category on the basis of some qualitative property. Example of categorical variables are race, sex group and education level.
I believe the total is 16.53. First I took 7% of 57 is 3.99. Then multiplying 57 by 0.22 and adding that to 3.99 which is 16.53
Here's a list that might help:
Odd functions: sinx, tanx, cotx, cscx
Even functions: cosx, secx