Plz help it about surface area of a rectangular prism

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

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.