“If a person sleeps with electronics in their room during school nights, they get fewer hours of sleep.” What would be the independent, dependent, controlling, and confounding VARIABLES. BRAINLIEST TO BEST ANSWER

Ms green is at checkout window of your busy orthopedic office . her charges for today are $125.00. her group insurance pays 75% of all usual and customary charges and she has a $50.00 co-pay. she has not met her deductible for the plan year. what does she owe for today’s visit?