Help with this one please

What is the exact volume of the cylinder (radius 13 in., height 30 in.)

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

Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)