17. If the area of a square is 64 square centimeters, what's the length
of one side?
O A. 4 cm
OB. 8 cm
O C.32 cm
O D. 16 cm

B = 8cm

Step-by-step explanation:

We know the area of a square is given by

A = s^2  where s is the side length

64 = s^2

Take the square root of each side

sqrt(64) = sqrt(s^2)

8 =s

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:

step-by-step explanation:

b and c