Trên N cho phép tính * xác định như sau: a* b= a,˅a, b ɛ N
xét các tính chất giao hoán, kết hợp của phép toán

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.

Astudent was asked to find the square of 7x+3. the student quickly wrote (7x+3)^3= 49x^2+9. identify the student's error and provide the correct answer.

Write a function rule for the table