Answer:
A
Step-by-step explanation:
This is the answer because the others don't make sense to me at all...
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Answer:
5(-2w)-(5x4)
Step-by-step explanation:
X+12 +5x =6x+12 =90
-12 from 90
=78
/6
X=13
Answer:
D) 68°
Step-by-step explanation:
The exterior angle of a triangle is equal to the sum of the opposite interior angles
z = 39+29
z =68
Answer:
Ladonna: a + c + b
Step-by-step explanation:
-The commutative property in addition states that the order of arrangement of the integers to be added has no effect on their sum such that:

-Since the alphabet follows the order a,b, c....
Only Ladonna rearranged to change this order to show the commutative property.
-Hence, Ladonna wrote the expression correctly.
*The commutative property should not be confused with the associative property.
-The latter allows you to change the order and terms within the closed parentheses while retaining the answer.