5z + 3n -z2 ; n = 4.5 , z = 6

Amber had 1/6 of a pie left after the bake sale. rihanna had 3/8 of a pie left. what fraction of a pie did they have altogether?

65% of students in your school participate in at least one after school activity. if there are 980 students in you school, how many do not participate in an after school activity?

Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?