Answer:
39 - 35 = $4
Step-by-step explanation:
mean: 19+42+35+40+39 = 175
175/5 = 35
add up all the cost then divide by how many numbers there are.
Median:
list the numbers from lowest to largest
19, 35, 39, 40, 42
then find the number in middle
39
last: 39-35=$4
3:1 ratio
A. Negative association
The points are going down.
the answer to A,B,C
all the points are on the graph
all answers
b) slope -1
intercept 1
c)(x+3)(x-1)
intercepts (-3,0),(1,0)
vertex (-1,-4)