Answer:
4.0
observed time spent exerciseing: 4.5
predicted time:5.5
residual: 1
5.0
observed time spent exerciseing: 6.5
predicted time:5.0
residual: 1.5
Answer:(2,-9)
Step-by-step explanation:
21021
2x + 31 = 5
2x = 5 - 31
2x = -26
x = -26/2
x = -13.
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