Each question carefully. Provide a full answer with justification, where necessary. Use this information to answer questions 1-4:
IS
ON
Gary is draining his hot tub. The table represents some of the values for
the linear relationship between the amount of time passed, in minutes, and
the gallons of water remaining in the hot tub.
+85
X
3
5. 6.5 10
15
у
238
230 224 210 190
1. What is the slope for the graph of this linear relationship?