∠a and ∠b are vertical angles with m∠a=x and m∠b=4x−30 . what is m∠a ? enter your answer in the box.

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

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?