Can someone please help me with this?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?