-Wert has a record of his heights from first grade through seventh grade. He constructed a scatter plot and line of best fit to show his height at each grade level.
Height at Each Grade Level
70
65
60
55
Height (inches)
50
45
40
0

1st 2nd 3rd 4th 5th 6th 7th 8th
Grade in school
.
Which equation is most likely to represent the line of best fit?
A
y = 1/41 + 1/3
y = 41x + 3
Y = 3x + 41
Y = 3x + 41

The graph below shows the price of different numbers of mats at a store: a graph is shown. the values on the x axis are 0, 2, 4, 6, 8, 10. the values on the y axis are 0, 21, 42, 63, 84, and 105. points are shown on ordered pairs 0, 0 and 2, 21 and 4, 42 and 6, 63 and 8, 84. these points are connected by a line. the label on the x axis is number of mats. the title on the y axis is price in dollars. which equation can be used to determine p, the cost of b mats?

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