When like terms are rearranged and put together in an expression, which property is demonstrated?

2n+3x+9n=2n+9n+3x

which property?

identity, communiative, associative, distrubitve

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A person can read 24 pages of a book inof an hour. What is this person's reading rate in pages per hour?

Which expression is equivalent to - (4-3) ? A. - 3-2^2 B. - 2^2+3 C. - 2^2-3 D. - 3+2^2

Amy invested $223 in the bank and a year later has $280.98. By what percent has the amount changed?

A pitcher holds 8 and one half cups of orange juice and I pour all of the juice evenly into six different glasses. How many cups of juice will there be in each glass?

A plane flew for 4 hours heading south and for 6 hours heading east. If the total distance traveled was 3,370 miles, and the plane traveled 45 miles per hour faster heading south, at what speed was the plane traveling east?

Buddy needs to have a surgery on his leg the cost is 2500 his owner will get a loan for this amount over 2 years at a rate of 7.5% how much will the interest be on this loan?

Find the sum of 10 (E) (i=3) 2i-9

Polygon X is similar to polygon Y. Polygon X is 1/2 the size of polygon Y. the perimeter of polygon X is 196. What is the perimeter of polygon Y?

3-3x6+2=-13. Is this right