In a bag, there are cards numbered from 21 to 30. Let: • Event A be selecting an odd card
Event B be selecting a card greater than 28.
What is the PIA U B)?

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Which letters from the table represent like terms? a and b b and c a and d b and d

Which expression is equivalent to -5(3x - 6/7)