The top one shows they are parallel lines because it shows angles of both lines and the transversal
Answer:
sample variances
Step-by-step explanation:
The pooled variance method is used to estimate the variance of several different population with different means, but are assume to have the same variance.
The weights represent the sample variances.
So the correct answer is
sample variances
Answer:
Here's what I get.
Step-by-step explanation:

1. Convert the mixed number to an improper fraction

2. Invert the proper fraction and change division to multiplication

3. Multiply numerators and denominators

4. Divide the numerator and the denominator

The quotient is what you get after you invert the denominator in Step 2 and then multiply the two fractions in Step 3.
Is that the whole probkem?
Answer:
y+4=2(x-4)
Step-by-step explanation:
y-y1=m(x-x1)
y-(-4)=2(x-4)
y+4=2(x-4) point slope form