2st2-s2 for s=3 t=6 what the answer

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

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?

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units