-20 - 18
16
pair 1
14
pair 2
12
10
8
-6
pair 3
-4
pair 4
2
0
ज
2
0 2
4
6
10
12
14
16 18 20 22 24
26 28
Which pairs of polygons are congruent?
OA. pairs 1, 2, 3, and 4
OB.
pairs 1 and 4
Ос. .
pairs 1, 2, and 3
OD.
pairs 2 and 4

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:

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

i’m here for points.

he has now walked a total of what?

if i know what this is maybe i can

step-by-step explanation: