What property of addition is defined by (a+b)+c=a+(b+c)
please do not send files, photo and use step by step explanation​ free braniast

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

Which number line represents the solution set for the inequality -1/2x> 24?