Answer:
You are correct,y = 0.
Step-by-step explanation:
y = 4 x -3 + 12
y = -12 + 12
y = 0
Hope that helps!
Step-by-step explanation:
Tanx =opp/adj
=50/42 =55. 5°
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.