Variables are any letter so in the case of your equation the variables would be f and x.
Answer:
Step-by-step explanation:
9y + 12 = 4y - 10
Sub. 4y from both sides
5y + 12 = 10
Sub. 12 from both sides
5y = -2
Divide 5from both sides
y = -2/5
Substitute -2/5 into 4y - 10
Answer
0/6
2-3 I hope this helps you out!
I am sorry I am not in that level yet
Answer: Chi-square test
Step-by-step explanation:
A Chi-square test is a test used or applied to check or see if a relationship between two categorical variables. Example
The marketing firm trying to show their client that there is a linear relationship between sales and the amount of money the client has invested in radio advertisements uses chi-square method by comparing the two variables which are Sales made and Amount spent on advert or promotion on radio.