Which mathematical property is demonstrated?
7 + 9 + 3 = 7 + 3 + 9
commutative property of addition
commutative property of multiplication
associative property of multiplication
associative property of addition

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Parallelogram rstu is a rhombus. m∠r = 120° what is m∠t = 120 (what is m∠rsu? )

If (x) = 3х - 2 and g(x) = 2х+ 1, find (f- g)(x). оа. х- з ов. 3-х ос. 5x - 1 od. 5x - з