1.which is an example of the associative property?

a.
–(18 + 3) = –18 + (–3)

b.
–17 + 0 = –17

c.
(–8 + 10) + 4. = –8 + (10 + 4)

d.
–5 + 7 = 7 + (–5)

2.what is the value of the expression?

–15.6 + (–3.4 + 8)

a.
–27

b.
–26

c.
–11

d.
–10

d.
17

3.what value of k makes the equation true?

12 + (–17) = –17 + k

Maryann’s friends loved her bulletin board, and 4 of them asked her to make one for their homes. she offered to make each of her friends a replica of her bulletin board that measures 2 meters by 3 meters. how many kilograms of burlap should maryann collect to complete the bulletin boards for her friends? maryann should collect kg of burlap.