What is the difference of the rational expressions below? 13x/5 - 4x/5 a. 9x/5 b. 17x/5 c. 52x/5 d. 52x/25

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Brent works part-time at a clothing store. he earns an hourly wage of $15. if he needs to earn more than $45 in a day and works for x hours a day, which inequality represents this situation? a. 15x > 45 b. 15x < 60 c. x > 60 d. 15x < 45 e. x < 60

All per-unit concepts rely on ratios, meaning, to provide a type of measurement