Hi cna anybody tell me the answer

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.

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?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab