Convert 21/2 to a Mixed Fraction.

Abus ride for a senior citizen cost $1.25. a monthly pass costs $35. write and inequality that represents the number of times a senior citizen must ride the bus for the monthly pass to be a better deal.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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