Please help me this question

  (b) Commutative Property of Rational Numbers

Step-by-step explanation:

In your equation, the terms on the left side have been reversed on the right side. This is an instance of use of the commutative property of addition. The property is a property of addition, and applies to any quantities that are added together, rational numbers or any other kind.

The closest appropriate choice is ...

  Commutative Property of Rational Numbers

The associative property applies to grouping of terms in a sum or product.

The distributive property applies to a property of multiplication over addition.

The additive inverse property says the sum of a number and its additive inverse is zero.

a.   since the profit made in 2012 is equal to the profit made in 2014, the profit is symmetric about the line y = 120,000.

step-by-step explanation:

step-by-step explanation:

ok so im not 100% sure but you would start by adding 5.1t and 1.9t beacuse they have the same variable. that is 7t.   then add -3.6 + 1.2 which is -2.4

so then keep that as -2.4 + 7t. i apologize if this is incorrect. best luck on your test < 3