If a sample of 66 employees were taken from a population of 820 employees,

s2 could refer to the variance of how many of the employees' salaries?

O

A. Neither 66 nor 820

O B. 66

O C. Both 66 and 820

O D. 820

b. 66

Step-by-step explanation:

s2 Could refer to the variance of the 66 employees' salaries

so firstly, we need to isolate the y variables to be able to solve these inequalities. firstly, add 0.5x on both sides of the first inequality and subtract 1.5x on both sides of the second inequality:

now since the slope is positive for the first inequality, this means that the line going upwards belongs to the first inequality, and the line going downwards belongs to the second inequality.

next, since y ≥ in the first inequality, this means that the shaded region will be above the first inequality's line, thus shading regions a and b.

next, since y ≤ in the second inequality, this means that the shaded region is going to be below this line, thus shading regions a and c.

since both lines shade region a, this means that region a is the solution.

step-by-step explanation:

mark brainliest!

3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3