Wanda has $640 in her checking account. She pays her landlord $75 per week for rent. Which function best models the linear relationship? y= 640x + 75
y= -75x + 640
y= -75x - 640
y= 75x + 640

y=mx+b

step-by-step explanation:

m is slope, b is y-intercept

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:

b i think

step-by-step explanation:

not really sure