Answer:
Trend lines are lines used to approximate the general shape of a scatter plot. A positive trend line tells us the scatter plot has a positive correlation. A negative trend line tells us the scatter plot has a negative correlation.
Answer:
C
Step-by-step explanation:
Calculate the distance (d) using the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = (- 9, 2) and (x₂, y₂ ) = (- 4, 2)
d = 
= 
= 
= 5 → C
Answer:
7 songs costs $8.4
Step-by-step explanation:
6/5= $1.2 for each song
1.2 times 7= $8.4
7 songs costs $8.4
10(N + 3)
= 10N + 30
Hence, the answer is A.
