In St John's school there are 20 rooms that need cleaning. It takes four cleaners two hours each school day to clean all of the rooms.

How long does each room take to clean ?

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.

Add the fractions and simplify 1/2+ 1/3

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer