Hello, I am willing to give 80 points to whoever can do this!

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

Determine which solution is correct for solving 5/7y=6 reciprocals.

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?