Which property of real numbers is shown below?

-6+6=0

associative property of addition

commutative property of addition

identity property of addition

inverse property of addition

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A set of data with the mean of 60 and the standard deviation of 7.5 is normally distributed what is the - 2 standard deviation from the mean

Which is the smallest number with three different prime factors?

A bag of oranges has 144 kg. The store earns $ 3.50 per kg of orange sold. If they sold seven ninths of the sack. how much money did they earn

A rectangular area is to be enclosed by a wall on one side and fencing on the other three sides. If 18 meters of fencing is are used, what is the maximum area that can be enclosed? A: 9/2 m^2 B:81/4 m^2 C: 27 m^2 D: 40 m ^2 E: 81/2 m^2

If there are 12 fish and half of them drown, how many are there?

The price Regina pays to visit the vet's clinic is calculated according to the formula 20 + 50n. Here (n) is the number of times she visits him in a year. This time it was 2. What was the cost of his visit

Jorge is baking cookies. The recipe makes 144 cookies. If Jorge and his 5 friends want to divide the cookies evenly, how many cookies will each person get?

For the schools sports day a group of students prepared 21 1/2 lbs of lemonade at the end of the day they had 2 5/8 lbs left over how many lbs of lemonade were sold

The area of a rectangle is 48 square centimeters. The length of the rectangle is 8 centimeters longer than the width. Which equation models this situation? A. 8w=48 B. w+8w=48 C. w+8=48 D. w (w+3) = 48

Tanya drove 312 hours and used 13 tank of gas. For how long could Tanya drive using 12 tank of gas? In simplest form.