Select the property not used in the following

(2+a) - 7
(a + 2) - 7
a + (2 - 7)
a + (-5)
a - 5

associative

commutative

distributive
or
subtraction

Distributive

Step-by-step explanation:

The Distributive Property is multiplication of a number into more than one terms in the parenthesis. Since this has no multiplication happening, it is not used.

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98