Erica, the manager at Stellarbeans, collected data on the daily high temperature and revenue from coffee sales. Data from nine days this past fall are shown in the table below.
High Temperature, t
54
50
62
67
70
58
52
46
48
Coffee Sales, f(t)
$2900 $3080 $2500 $2380 $2200 $2700 S3000 $3620 $3720
State the linear regression function, f(t), that estimates the day's coffee sales with a high
temperature of t. Round all values to the nearest integer.

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?