Multiply/divide. simplify your answer

-3 1/8 divide -7 1/2

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

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?

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250