Answer:
1. X3, 15x - 10y = 80 15x - 7y = 51
-17y = 29
2. 8 = 1/60 + a. 8 - 1/60 = 7.98333333333
6 = 1/80 + b. 6 - 1/80 = 5.9875
13.9708333333
3. I genuinely dont know sorry.
4. Pencil = $0.05. Pen = $1.05
Step-by-step explanation:
A = lw
7x³ - 42x² = l(7x²)
7x²(x) - 7x²(6) = l(7x²)
Answer:
b). Examine relationships between two categorical variables
Step-by-step explanation:
- The chi-square test of independence is used to determine if there is a significant relationship between 2 Categorical variables.
- In the data set-up for the Chi-Square Test of Independence, at minimum, your data should include two categorical variables and each categorical variable must include at least two groups.
