Sleep apnea: sleep apnea is a disorder in which there are pauses in breathing during sleep. people with this condition must wake up frequently. in a sample of 431 people aged 65 and over, 109 of them had sleep apnea. Find a point estimate for the population of those aged 65 and over who have sleep apnea.

Idk awnser I’m sorry

Step-by-step explanation:

Sorry

u what ?

step-by-step explanation:

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: