How is adding 4.56 +2.31 similar to adding $4.56 + $2.31 ?

Adding 4.56 + 2.31 is similar to adding $4.56 + $2.31, because you are basically adding the same numbers. The only difference is that one only represents numbers, while the other represents a value, in dollars.

4.56 + 2.31 = 6.87

$4.56 + $2.31 = $6.87

hope this helps

y < -3

step-by-step explanation:

-3y - 2 > 7

-3y -2 + 2 > 7+2

-3y > 9

-3y/-3 < 9/-3   (change the inequality sign when multiplying or dividing by a negative number)

y < -3

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step-by-step explanation:

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