Answer:
I DO NOT KNOW BECAUSE I JUST NEED POINTS SORRY
Step-by-step explanation:
SORRY
Jacob had math homework on 81 evenings.
Step-by-step explanation:
Time spent of each evening = 1/3 of an hour
Time spent in minutes = 
Total time spent = 27 hours
Total time spent in minutes = 27*60 = 1620 minutes
Let,
x be the number of evenings spent doing math homework.
Time spent each day* Number of evenings = Total time spent

Dividing both sides by 20

Jacob had math homework on 81 evenings.
Keywords: multiplication, division
Learn more about division at:
#LearnwithBrainly
Answer:
2:3:5 is already in simplest form
Step-by-step explanation:
Answer:
5/8
Step-by-step explanation:
To find the reciprocal, flip the fraction. The sign remains the same.
The reciprocal of 8/5 is 5/8.
Answer: 5/8
Answer:
By lurking variable she means a variable that is not among the variables studied but which affects the response variable.
Step-by-step explanation:
A lurking variable is a variable that is not included as an explanatory variable in the analysis, but can affect the interpretation of relationships between variables.