100 points for answers and brainiest with and rating
select from the drop-down menus to correctly identify each property shown.
the options are:
commutative property
associative property
opposite of a sum property
a. −2.2+(−3.7+(−1.4))=(−2.2+(−3.7))+(− 1.4)
b. −7.2+(−1.7+(−2.3))=−7.2+(−2.3+(−1.7 ))
c. −3.5−4.2=−(3.5+4.2)
d. (−5.2+(−8.4))+(−2.8)=−5.2+(−8.4+(−2 .8)

Commutative property of addition:

a + b = b + a

Associative property of addition:

a + (b + c) = (a + b) + c

Opposite of a sum:

- a - b = - (a + b)

If we look at the options, A and D follow associative property.

B follows commutative property.

C follows opposite of a sum property.

i believe the answer is 68cm

step-by-step explanation:

i just took 34 x 2 because the space between v and y is the same as y to k.