What is the equation of the line of best fit for these data? Round the slop and y-intercept of the line to three decimal places.
X
y
1
15
4
12
6
11
8 8
10
5

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.