List the factors of 15 and 30. indicate which factors are common to both numbers and the greatest common factor (gcf).
15= 30= common= gcf=

Choose the more precise measurement. 26.4 cm or 8.39 cm

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table

In a small section of a stadium there are 40 spectators watching a game between the cook islands and fiji. they all support at least one of the two teams. 25 spectators support the cook islands and 16 of these support both teams. how many support only fiji?