describe how you know that (8+9) + 3 is equivalent to 8+ ( 9 + 3). what is the benefit to using this property? ​

Arandom sample of 150 high school students were asked whether they have a job. the results are shown in the table. have a job do not have a job male 48 35 female 41 26 select a ord or phrase from the drop-down menus to correctly complete the statements describing the association.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

If you prove that ∆wxz is congruent to ∆yzx, which general statement best describes what you have proved?